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Vixen SD115SII Telescope OTA

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Guides & Tips

FAQ - Frequently Asked Questions

That is normal. Finder scopes are only used to make objects easy to locate. The image orientation does not matter for observation.

  • Alt-azimuth: easy to use, moves horizontally and vertically
  • Equatorial: enables precise tracking of objects with only one axis – ideal for high magnifications and astrophotography

  • Moon: from 30 mm
  • Planets: from 100 mm
  • Deep sky: from 150 mm
Are you a member of an astronomy club? Find out here what your benefits are.
View conditions

Product and safety instructions


Manufacturer: 
Bresser GmbH, Gutenbergstraße 2, 46414 Rhede

Contact: 
www.bresser.de


Warning notes
  • General safety instructions DANGER Risk of suffocation! Improper use of this product can result in suffocation, especially for children. Therefore, carefully observe the following safety instructions. Keep packaging materials (plastic bags, rubber bands, etc.) away from children! There is a risk of suffocation! Keep cords, ribbons, and similar materials away from children! They could accidentally strangle themselves and suffocate! NOTE Risk of material damage! Improper handling can damage the device and/or accessories. Therefore, only use the device according to the following safety instructions. Do not dismantle the device! In the case of a defect, contact your dealer. They will contact the service center and may send the device in for repair.
  • Never look at the sun through an eyepiece/telescope without a certified protection filter. A moon filter can never be used for solar observation. The moon filter is only suitable for moon observation. The solar filter must be mounted in front of the telescope opening, not at the eyepiece. Otherwise, the concentrated light beam through the optics will immediately destroy the filter foil, leading to severe eye damage, including permanent blindness.
  • Never leave the optics unattended. Children and inexperienced adults could point the telescope at the sun without proper precautions and lose their eyesight.
  • Do not expose the device to high temperatures.
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Accessories

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Vixen Wide Photo Adapter 60DX for Nikon
The Wide Photo Adapter 60DX connects your Nikon DSLR camera to your telescope via a 60 mm thread. Thanks to the use of new materials and an improved design, Vixen was able to significantly improve the precision and load capacity compared with conventional adapters. The adapter's large interior diameter prevents shadows at the edges of the image when using a full-frame DSLR camera.FEATURESIncreased material strength for additional stability6 screws hold the camera in position (compared with 4 on most conventional adapters)Screw tips with Delrin inserts prevents the camera from tilting and minimizes distortion.Large interior diameter prevents shadowingBlack interior prevents scattered lightCompatible with 60 mm accessories when the camera adapter is removed2 screw sets (L and S) prevent scratches on the camera housing2 screw sets for adjusting the rotation resistanceDELIVERY CONTENTVixen Wide Photo Adapter 60DX for Nikon cameras2 screw sets (L and S)

Available

€127.00* €159.00* (20.13% saved)
Vixen SD Reducer HD Kit
High-performance flattener and reducer set connection rings for Vixen telescopes SD81S, SD103S and SD115S, as well as the ED predecessor series. High-performance flattener and reducer set The kit consists of a high-performance flattener, a reducer for reducing the focal length, and connection rings (distance ring SD81, EX Tube 66), which were developed for prime-focus astrophotography with the SD81S, SD103S and SD115S telescopes. The flattener and the 0.79x reducer deliver a significant increase in telescope performance and image quality. You obtain a flat and sharp image until the edges, including with a full-frame DSLR camera. Ultra-sharp image over the entire field of view of the DSLR full-frame sensor The SD flattener improves the image quality to the edge of the field of view without changing the original focal length of the telescope. The field of view of the DSLR camera with a full-frame sensor is fully illuminated (44 mm), ensuring that stars appear sharp until the edges of the image. When used in conjunction with the Reducer HD, the focal length is reduced by a factor of 0.79 (f/7.7→6.1) whilst maintaining the 44 mm illumination. High-contrast AS coating The anti-reflex AS coating, which is also used on our high-end VSD 100 f/3.8 astrograph, delivers a high light transmission of 99.9% per lens surface. Loss of light, ghosting and scattered light images are virtually eliminated thanks to the completely matte interior coating. FEATURES Reduces the focal length by a factor of 0.79 Designed for full-frame cameras High-contrast AS coating Ultra-sharp image over the entire field of view Designed for full-frame DSLR cameras Illumination: 44 mm Correct distance to chip: 63.5 mm Designed for the SD81S, SD103S and SD115S Also suitable for the ED81S, ED103S and ED 115S DELIVERY CONTENT SD Flattener HD Reducer HD Adapter ring for SD81 66 mm EX extension tube Dust caps

Incoming

€499.00*
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Vixen T2 ring for Nikon
T2 rings are used as a connecting piece between the camera adapter and the camera. Please note that each camera type requires a different T-ring.FEATUREST2 adapter ring for Nikon camerasAdapts the camera to telescopes and microscopesWeight: 22 gPACKAGE CONTENTSVixen T2 ring for Nikon

Available

€22.00* €28.00* (21.43% saved)
Vixen T-ring for Canon EOS
T-rings are used as a connecting piece between the camera adapter and the camera. Please note that each camera type requires a different T-ring.FEATURESVixen T-ring for Canon EOS camerasConnects a camera adapter to the cameraFor microscopes, telescopes and T2 lensesWeight: 52 gPACKAGE CONTENTSVixen T-ring for Canon EOS

Available

€28.00*
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Vixen T-Ring for Sony E Cameras
This T2 ring allows you to use your Sony camera on a telescope or microscope with a T2 thread.Depending on the mode, you may require an additional camera adapter.FEATUREST-2 ring for connecting an SLR cameraDesigned for Sony EWeight: 113 gDELIVERY CONTENTT-2 Ring Sony E

Incoming

€44.00* €55.00* (20% saved)
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Vixen T-Ring - Four Thirds
Connects a Four Thirds camera to your telescope or microscope.A camera adapter is required for this purposeWeight: 58 gDELIVERY CONTENTVixen T-ring - Four Thirds

Available

€22.00* €28.00* (21.43% saved)
Vixen Micro 4/3 T-ring
T-rings are used as a connecting piece between the camera adapter and the camera. Please note that each camera type requires a different T-ring.FEATURESMicro 4/3 T-ringFor telescopes and microscopesWeight: 110 gPACKAGE CONTENTSMicro 4/3 T-ring

Incoming

€55.00*
Vixen Reducer HD
Above-average contrast The Reducer HD features the optical coating that was developed by Vixen for our high-end VSD100F3.8 astrograph. The AS coating provides light transmission of up to 99.9% per lens surface. The special matte surface in the interior also minimizes ghosting, light loss and lens flares. Reducer HD in combination with SD telescopes The Reducer HD can be used on telescopes from the SD series (SD81S, SD103S and SD113S) with the SD Flattener HD Kit (item #37246) . The Reducer HD reduces the focal length by a factor of 0.79x (f/7.7 to f/6.1) and delivers a razor sharp image over the entire 44 mm image sensor surface on DSLR cameras. Reducer HD in combination with AX103S and VC200L telescopes In addition to the SD telescopes, the Reducer SD is also compatible with the AX103S and VC200L telescopes. With these telescopes, the focal length is reduced by a factor of 0.77x.FEATURESUp to 99.9% light transmission per lens surfaceReduces the focal length by a factor of 0.79xAlso suitable for full-frame DSLR camerasFor the ED/SD 81S, 103S, 115SAS coating with light transmission of up to 99.9% DELIVERY CONTENTVixen Reducer HDDust caps

Currently unavailable

€349.00*
Vixen SD Flattener HD Kit

Available

€299.00*
Vixen SLV 50° Eyepiece 10mm (1.25'')

Available

€142.00*
Vixen SLV 50° Eyepiece 15mm (1.25'')

Available

€142.00*
Vixen SLV 50° Eyepiece 20mm (1.25'')
SLV eyepieceshigh-quality lanthanum glassclear and high-contrast star images rightlensesfully multi-coatedlarge and comfortable eye relief distance of 20 mmEven those who wear glassesPROPERTIESWHAT'S INCLUDED

Available

€142.00*
Vixen SLV 50° Eyepiece 25mm (1.25'')
Tn.

Available

€142.00*
Vixen SLV 50° Eyepiece 4mm (1,25'')

Available

€142.00*
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VIXEN 35655 Carry Bag for OTA & tripod
Safe and convenient bag to transport your OTA or tripod to your observing site. Holds many size tubes. Wrap the optical tube in the protective cloth with Velcro tape and secure it to the wall inside the carrying bag. Includes 2 accessory pouches to store a finder scope and flip mirror. Reflective tape on the carry strap increases visibility at a dark site.Suggested tubes and tripods: A80M ; A80Mf ; A70Lf ; ED103S; AX103S ; SXGHAL130 and SXG-AL130 TripodFEATUREScarry bag for tubes & tripod maximum optical tube size: 850x125mm (L&W)reflective tape on handles prevent lossSCOPE OF DELIVERY1x Vixen Carry Bag2x accessory pouches

Available

€69.00* €93.00* (25.81% saved)
Vixen Dual-Speed-Focuser
​The 1: 7 reduction enables very fine focusing of targets.An indispensable accessory, especially in astrophotography.The reduction can be retrofitted on the following telescopes:A80M, A105M, NA140SSf, ED81S, ED103S, ED115S, AX103S, VC200L, VMC200L and R200SSCannot be used on old devices from the 90s with plastic focusing knobs - in these cases, it is also necessary to swap the focus spindle (please contact us for details).PROPERTIESAllows very fine focusingIndispensable in astrophotographyCan be retrofitted to many Vixen telescopesReduced to 7:1Weight: 170 gWHAT'S INCLUDEDDual Speed KnobAssembly tool

Available

€205.00*
Vixen SXD2WL Equatorial GoTo Mount with Wifi
Vixen has developed a new generation of SX mounts for demanding observers and astrophotographers. The SXD2WL mount is simply operated via a Wifi module with a smartphone or tablet. By controlling the mount with your smartphone using the free STAR BOOK Wireless app, you can easily use sky navigation functions such as automatic GoTo panning of celestial objects via your smartphone or tablet. By eliminating the power consumption of the conventional LCD (STAR BOOK TEN), the power consumption on the mount is reduced by up to 20%, thus enabling longer astronomical observation and astrophotography. When the desired celestial object is selected from a list, it is automatically panned into the telescope's field of view and tracking begins. An existing STAR BOOK TEN controller can also be used on this mount without any problems. Equipped with the same precision stepper motors as the top model, the AXD mount, the SXD2WL brings a new standard of performance and precision to the Vixen mount family. With a photographic load capacity of 15 kg, the axis cross of the mount weighs just 9.2 kg making it ideal for mobile observations. In addition, the motors mounted in the lower part of the mount also serve as a counterweight, so the mount requires fewer weights for balancing. The SXD2 mount in detail Precision stepper motors and micro-step motion control system At the heart of the SXD2 are the precision stepper motors, which offer better performance and response than previous models. The micro-step motion control system offers powerful and yet very smooth drive characteristics, which are given both in fine movements and in fast pans. Built-in bearings The bearings of the RA and DEC axes and the worm shafts have been significantly improved to reduce the load on the motors. As a result, the motors move much more smoothly than in previous models. High-precision worm gears High-precision processing technologies eliminate worm gear errors. The edges of the two worms and worm wheels are particularly smooth, enabling very precise tracking. Declination axis as counterweight The solid motor units are installed in the lower part of the declination axis so that the center of gravity of the SXD2 is below the intersection point of the RA and DEC axes. This means you need fewer additional counterweights. Latitude setting The latitude is adjustable between 0 and 70 degrees (divided into 3 zones and adjustable +/- 15 degrees per zone, for high, medium and low latitudes); latitude scale in 2-degree increments; fine adjustment with a tangent screw head, approx. 0.8 degrees per turn. Built-in PFL-II polar finder with illumination The built-in 5x20mm polar finder with 10° field of view has a 3-star alignment system. This eliminates the inconvenience of setting the date and original time. The illuminated reticle with variable brightness and automatic switch-off is adjustable in 8 levels and illuminated in red. The adjustment accuracy is 3 arc minutes. The wireless module in detail The Vixen Wifi adapter for EQ mounts allows you to control your Vixen mount via a smartphone or tablet. With the smartphone app STAR BOOK Wireless (free of charge) you can navigate the sky without any cables. The app turns your smartphone or tablet into a control unit for the equatorial mount in no time at all. The response delay of the mount, which is considered the biggest disadvantage of wireless connections, has been reduced to a level comparable to wired connections. Reduced power consumption compared to conventional controllers with LCD monitor The power consumption of the mount is reduced by up to 20%, allowing longer observations than with conventional wired controllers such as the STAR BOOK TEN. Operation similar to the STAR BOOK TEN controller. The STAR BOOK Wireless app has a similar structure to the STAR BOOK TEN controller. Depending on the star map setting, it contains up to 259,000 celestial objects. Tap on a celestial object in the object list and start the GoTo. The mount will now automatically move to this target and bring it into the telescope's field of view. All the popular features of the STAR BOOK TEN are retained Convenient operation When looking through the telescope operate the mount by swiping on the app's star chart. As there are no buttons, simply slide your finger over the star chart to operate the mount conveniently. Extensive astronomical data included In addition to data on easily observable celestial bodies such as Messier objects, NGC objects and IC objects, this also includes the sun, moon, planets, comets and dwarf planets. High-precision alignment By aligning the mount to one or two stars, you can already achieve fairly precise positioning. By aligning the mount to three or more stars, you can achieve high-precision alignment of the mount for high magnifications. The objects are then approached precisely and centrally in your telescope's field of view. The alignment information is saved and can be retained even when the device is switched off. By leaving the telescope in its current state after completing an observation without moving it, you can start the automatic installation with the same settings for the next observation.  Individual setting options As with the STAR BOOK TEN control unit, the app offers various individual settings, such as gear backlash compensation, night mode in red, autoguider and variable GoTo speed and LED brightness. You can also set the timing of the reversal of the objective tube (meridian flip) as desired. Even if the object moves to the south during tracking, you can prevent the telescope tube from reversing. Important note: Cannot be used on old SX mounts with the old blue Star Book! Technical information about the Wifi module: CPU with 32-bit CISC processor 120 MHz The unit is connected to the mount via a D-SUB 9PIN connector as with the STAR BOOK TEN. It has a 6-pin 6-wire modular plug for external autoguider operation. Supported operating systems are Android 6 or higher, iOS 9.0 or higher, WLAN standard: IEEE 802.11b/g/n. FEATURESRA sprocket: 180 teeth DEC sprocket: 180 teeth Shaft material and diameter: Carbon steel / Decl. 35 mm, RA 40 mm thickness Polar finder scope: 6x20 mm, PFL-II polar finder Fine height adjustment: 0° to 70°, (fine adjustment +/- 15°, height) Backsight rod: 20 mm diameter Azimuth adjustment: worm fine adjustment Power supply: DC12 V; 0.4~1.7 A Maximum load: 15 kg, photographic, without counterweight Counterweight: 1x 1.9 kg and 1x 3.7 kg Tripod connection: 45 mm spigot Dimensions: 36 cm (H) x 12 cm (W) x 36 cm (L) Weight: 8.8 kg (19.4 lb), without counterweight 32-bit CISC processor 120 MHz Operating system: Android 6 or higher, iOS 9.0 or higher Connection: D-SUB 9PIN connector Autoguider input ST4 Power consumption SXD2WL+Wireless unit: DC12V / 0.3-2.0 A (load 10 kg), 0.4-2.2 A (load 15 kg) SCOPE OF DELIVERYSXD2WL EQ mount Wireless unit 2 counterweights: 1.9 kg and 3.7 kg Mounting tools Pole finder PFL-II Cigarette lighter cable

Incoming

€2,799.00*
Vixen SX2WL Equatorial GoTo Mount with Wifi Module
Vixen has developed a new generation of SX mounts for demanding observers and astrophotographers. The SX2WL mount is simply operated via a Wifi module with a smartphone or tablet. By controlling the mount with your smartphone using the free STAR BOOK Wireless app, you can easily use sky navigation functions such as automatic GoTo panning of celestial objects via your smartphone or tablet. By eliminating the power consumption of the conventional LCD (STAR BOOK TEN), the power consumption on the mount is reduced by up to 20%, thus enabling longer astronomical observation and astrophotography. When the desired celestial object is selected from a list, it is automatically panned into the telescope's field of view and tracking begins.An existing STAR BOOK TEN controller can also be used on this mount without any problems. Equipped with the same precision stepper motors as the top model, the AXD mount, the SXD2WL brings a new standard of performance and precision to the Vixen mount family. With a photographic load capacity of 12 kg, the axis cross of the mount weighs just 7.0 kg (15.4 lbs) making it ideal for mobile observations.In addition, the motors mounted in the lower part of the mount also serve as a counterweight, so the mount requires fewer weights for balancing. The SX2 mount in detail Precision stepper motors and micro-step motion control systemAt the heart of the SXD2 are the precision stepper motors, which offer better performance and response than previous models. The micro-step motion control system offers powerful and yet very smooth drive characteristics, which are given both in fine movements and in fast pans. Built-in bearings The bearings of the RA and DEC axes and the worm shafts have been significantly improved to reduce the load on the motors. As a result, the motors move much more smoothly than in previous models. High-precision worm gearsHigh-precision processing technologies eliminate worm gear errors. The edges of the two worms and worm wheels are particularly smooth, enabling very precise tracking. Declination axis as counterweightThe solid motor units are installed in the lower part of the declination axis so that the center of gravity of the SXD2 is below the intersection point of the RA and DEC axes. This means you need fewer additional counterweights. Latitude setting The latitude is adjustable between 0 and 70 degrees (divided into 3 zones and adjustable +/- 15 degrees per zone, for high, medium and low latitudes); latitude scale in 2-degree increments; fine adjustment with a tangent screw head, approx. 0.8 degrees per turn. The wireless module in detail The Vixen Wifi adapter for EQ mounts allows you to control your Vixen mount via a smartphone or tablet. With the smartphone app STAR BOOK Wireless (free of charge) you can navigate the sky without any cables. The app turns your smartphone or tablet into a control unit for the equatorial mount in no time at all. The response delay of the mount, which is considered the biggest disadvantage of wireless connections, has been reduced to a level comparable to wired connections. Reduced power consumption compared to conventional controllers with LCD monitor The power consumption of the mount is reduced by up to 20%, allowing longer observations than with conventional wired controllers such as the STAR BOOK TEN. Operation similar to the STAR BOOK TEN controllerThe STAR BOOK Wireless app has a similar structure to the STAR BOOK TEN controller. Depending on the star map setting, it contains up to 259,000 celestial objects. Tap on a celestial object in the object list and start the GoTo. The mount will now automatically move to this target and bring it into the telescope's field of view. All the popular features of the STAR BOOK TEN are retained. Convenient operation When looking through the telescope operate the mount by swiping on the app's star chart. As there are no buttons, simply slide your finger over the star chart to operate the mount conveniently. Extensive astronomical data included In addition to data on easily observable celestial bodies such as Messier objects, NGC objects and IC objects, this also includes the sun, moon, planets, comets and dwarf planets. High-precision alignment By aligning the mount to one or two stars, you can already achieve fairly precise positioning. By aligning the mount to three or more stars, you can achieve high-precision alignment of the mount for high magnifications. The objects are then approached precisely and centrally in your telescope's field of view. The alignment information is saved and can be retained even when the device is switched off. By leaving the telescope in its current state after completing an observation without moving it, you can start the automatic installation with the same settings for the next observation.  Individual setting options As with the STAR BOOK TEN control unit, the app offers various individual settings, such as gear backlash compensation, night mode in red, autoguider and variable GoTo speed and LED brightness. You can also set the timing of the reversal of the objective tube (meridian flip) as desired. Even if the object moves to the south during tracking, you can prevent the telescope tube from reversing. Important note: Cannot be used on old SX mounts with the old blue Star Book! Technical information about the Wifi module: CPU with 32-bit CISC processor 120 MHz The unit is connected to the mount via a D-SUB 9PIN connector as with the STAR BOOK TEN. It has a 6-pin 6-wire modular plug for external autoguider operation. Supported operating systems are Android 6 or higher, iOS 9.0 or higher, WLAN standard: IEEE 802.11b/g/n. FEATURESRA sprocket: 180 teeth DEC sprocket: 180 teeth Shaft material and diameter: Carbon steel / Decl. 35 mm, RA 40 mm thickness  Fine height adjustment: 0° to 70°, (fine adjustment +/- 15°, height) Backsight rod: 20 mm diameter Azimuth adjustment: worm fine adjustment Power supply: DC12 V; 0.4~1.7 A Maximum load: 12 kg, photographic, without counterweight Counterweight: 1x 1.9 kg  Tripod connection: 45 mm spigot Dimensions: 36 cm (H) x 12 cm (W) x 36 cm (L), weight: 7.0 kg (15.4 lbs), without counterweight 32-bit CISC processor 120 MHz Operating system: Android 6 or higher, iOS 9.0 or higher Connection: D-SUB 9PIN connector Autoguider input: ST4 Power consumption SX2WL+Wireless unit: DC12V / 0.3-2.0 A (load 8 kg), 0.4-2.2 A (load 12 kg) SCOPE OF DELIVERYSX2WL EQ mount Wireless unit Counterweight: 1.9 kg (1pc) Mounting tools Cigarette lighter cable

Available

€1,799.00*
Vixen SG-L02 Headlamp red-light white-light
The perfect LED head torch for nighttime observations! Adjusting your eyes to the dark surroundings is very important when making astronomical observations. In dark areas, it is very difficult to use astronomical equipment without a suitable light. With normal lights, however, the light intensity is more important than protecting your eyes against bright light. Using these lights at night makes your pupils contract, which can make it difficult for your eyes to readjust to the darkness. The SG-L01, our first astronomy LED lamp, featured a built-in red LED that provided a solution to this problem. However, the red light did not offer optimal visibility. On our new astronomy LED light, the SG-L02, the LED lights produce warm light to improve visibility. They also ensure that your eyes stay adapted to the dark. The LEDs do not emit light in the sensitive range of 555 nm. The brightness of the white light can be adjusted between 3 and 42 lumen, while the red light can be adjusted between 0.28 and 7.62 lumen. FEATURES Dimmable red light ensures that your eyes stay adapted to the dark Built-in rechargeable battery, charges via USB Waterproof design LED colour can be switched from red to white 0.28 to 7.62 lumen for red light 3 to 42 lumen for white light Dimensions: 41 mm x 33 mm x 30 mm Weight: 29 g DELIVERY CONTENT SG-L02 head torch Strap (size S) Strap (size L) Pocket clip Cable for charging the battery (USB-A plug to USB Micro-B plug)

Available

€69.00*
Vixen 2x Barlow Lens with T2 Thread
This Barlow lens doubles the focal length of your telescope.It allows you to make astronomical observations with a higher magnification than a conventional eyepiece. Thanks to the Barlow lens between the eyepiece, you can obtain a greater magnification whilst maintaining a comfortable interpupillary distance.This Vixen 2x Barlow lens is ideal for observing and photographing lunar landscapes and details on the brighter planets. The Barlow lens also features a T2 connection for photography with DSLR cameras. With T2 extension tubes, it can also be used as a camera projection adapter.With a deflecting prism, the Barlow lens enables you to obtain a magnification factor of 3.3x.FEATURES2x Barlow lenses with T2 thread2-lens optical systemDoubles the magnification factorAlso suitable as a camera adapter31.7 mm sleeveWeight: 80 gDELIVERY CONTENT2x Barlow lenses Dust caps

Available

€59.00*
Vixen M56 filter adapter for M48mm and M52mm filter thread
This adapter ring enables you to take colour and nebula filters with M48 and M52 thread.The M56 thread of the filter adapter is screwed into the Wide Photo Adapter AD 60DX, for example, and then offers an adaptation to M52 and M48 filter threads for various nebula filters for photography. The adapter has each one 48 mm and 52 mm thread. The adapter ring can be used on the Wide Photo Adapter 60DX, Wide Photo Adapter 60 mm, 60 mm ring with T-thread adapter or the EA60mm up to 50.8mm.The adapter ring can be used on the telescopes A81M, A105M II, SD81S, SD115S, AX103S, FL55SS, VC200L, VMC200L, VMC260Lin combination with the optionally available adapters described above.IMPORTANT NOTE: The Corrector PH, the Extender PH and the Coma Corrector 3 cannot be used with this Adater when used with the R200SS OTA in combination with the EA 60mm to 50.8mm.FEATURESInternal thread M48 (diameter 48 mm, thread pitch = 0.75 mm)Internal thread M52 (diameter 52 mm, thread pitch = 0.75 mm)External thread M56 (diameter 56 mm, thread pitch = 0.75 mm)Applicable adapters: Wide Photo AD 60DX, Wide Photo AD 60 mm, 60 mm ring with T-thread AD, EA60 mm to 50.8 mmDimensions: 56 x 7 mmWeight: 7gMade in JapanSCOPE OF DELIVERYFilter adapter for M48mm and M52mm filter thread

Available

€55.00*
EXPLORE SCIENTIFIC 1.25" UHC Nebula Filter
blocking the annoying  lightEXPLORE SCIENTIFIC UHC filter  nebulaehydrogen oxygen  line hydrogen oxygen Owl-nebula M97Veil-nebula NGC699Dumbell-nebula M27 EXPLORE SCIENTIFIC nebula filters FEATURESenables the observation of emission nebulaeblocks almost the entire artificial lightonly the two emission lines of hydrogen and oxygen passes the filterWHAT'S INCLUDED1x 1.25" UHC nebula filter

Available

€58.00*
EXPLORE SCIENTIFIC 2" UHC Nebula Filter
One of the most important obstacles for the exploration of the night sky is the brightening of the night sky by artificial lights, such as streetlights. The night sky is not really dark in the vicinity of towns or cities, which reduces the visibility of objects beyond the solar system enormously. Depending on the type of the celestial object, it is possible to dramatically increase the contrast by blocking annoying artificial light. The EXPLORE SCIENTIFIC UHC filter "zeros in" on the wavelengths of so-called emission nebulae. Those objects glow in special colours - their emission lines. Those emission lines are linked to chemical elements - in this case hydrogen at 486nm and 656nm, plus oxygen at 496nm and 501nm. The EXPLORE SCIENTIFIC UHC nebula filter blocks all other colour wavelengths (and thereby nearly all of artificial light) and only the emission line of the hydrogen and oxygen can pass the filter. The result is astonishing: suddenly nebulae are visible at locations that were completely invisible from, without filters. In suburban skies, for example the Owl-nebula M97, the Veil-nebula NGC 6992 or even the bright Dumbell-nebula M27 are not clearly visible. Using this filter allows you to see nebulae and their structures in much finer detail. A must for every visual observer. The Explore Scientific nebula filters come with a individual test certificate - your guarantee to receive a premium filter.

Available

€83.00*
BRESSER Full HD Deep-Sky Camera & Guider 1.25"
BRESSER Full HD Deep Sky Camera with autoguider: a great camera for different types of astrophotography and for autoguiding. Not only suitable for planets, but also for deep-sky objects such as galaxies, nebulae and star clusters. Dedicated ToupSky Astro Imaging software supports video preview, video recording, video processing, image capture and processing, dark field correction and raw data output. Easy to use, but with professional results. One of the main features of the new backlit SONY IMX290 CMOS sensor is its high light sensitivity, which makes it possible to detect deep-sky objects without active cooling. SONY has increased the quantum efficiency at 533 nm wavelength up to 77%, which is much better than other CMOS sensors have been able to achieve in the past. Connect this camera to a guidescope and attach the camera's built-in ST-4 port, directly to your telescope's equatorial mount guide port and autoguide - using many popular audioguiding programs (PHD, Guidedog and more). Autoguiding enables you to take accurate pictures with long exposure times of several minutes. Thanks to the extra light-sensitive camera, you now always have a suitable guide star to hand, even using short exposure times. An ST-4 protocol connection cable is also included. Simple automatic tracking at its best. You can use this camera with all guiding telescopes, or off-axis guiders that accept a 1.25 " tube, 1.25" filter thread (M28.5x0.6) or C-mount adapter thread (1 "x1 /32"). IMPORTANT NOTES: This is not a stand-alone guider camera. You always need a Windows 10/11 computer to take pictures and for autoguiding. The autoguider software is not included. You can use PHD2 Guiding, Guidedog, Metaguide, Guidemaster (freeware) or AstroArt, MaxIm DL (paid). DOWNLOAD PHD2-Guiding: https://openphdguiding.org/ DOWNLOAD GuideDog: http://barkosoftware.com/GuideDog/index.html DOWNLOAD latest camera software and drivers: https://www.touptek-astro.com/downloadsDownload INDI Driver: https://github.com/indilib/indi-3rdparty/tree/master/indi-toupbase SPECIFICATIONS Camera type: BRESSER / Touptek GPCMOS02000KPA color Sensor: SONY IMX290 CMOS color, backlit Image and video size: Full HD 1936 x 1096 pixels (video 15 FPS) Native sensor size in pixels: 1936 x 1096 Exposure times: 66µs to 16min Binning: YES, 2x2 Megapixel: 2.1 MP Sensor size in mm: 5.6 x 3.1 Pixel size: 2.9 µm x 2.9 µm Bit depth: 8/12 switchable ST-4 Compatible Autoguider: YES CNC milled housing made of aluminum Protective strap on the camera housing Camera tube diameter: 1.25 "(31.7 mm) Camera connection thread: C-mount + 1.25 "filter thread Computer interface: USB 2.0 C-mount extension tube with 1.25 inch filter thread included No IR cut filter installed Operating system: WINDOWS 10 + 11 ASCOM driver included Field of view for different focal lengths in mm (given in arc minutes): 400mm - 48.2 'x 27.3' 500 mm - 38.6 'x 21.8' 600 mm - 32.1 'x 18.2' 700 mm - 27.5 'x 15.6' 800 mm - 24.1 'x 13.6' 900 mm - 21.4 'x 12.1' 1000 mm - 19.3 'x 10.9' 1250 mm - 15.4 'x 8.7' 1500 mm - 12.9 'x 7.3' 1750 mm - 11.0 'x 6.2' 2000 mm - 9.6 'x 5.5' SCOPE OF DELIEVERY Full HD camera C-mount adapter USB 2.0 PC connection cable with a length of 200cm Interface cable for ST-4 autoguider port with 150cm length Dust cap for camera tube Software CD

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€289.00*
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Vixen focal adapter for Canon EOS
The Vixen focal adapter can be used to connect your DSLR camera to your telescope via a 60-mm thread. The large internal diameter of the adapter prevents shadows at the edges of the image when using a full-frame DSLR camera. The focal adapter can also be rotated to rotate the field of view selection. Three locking screws are provided for clamping.Note: Vixen T2 ring also required for your Canon. In this case, the inner ring is removed from the T2 adapter and clamped using three small grub screws.FEATURES60-mm connection thread for OAZWeight: 56 gT-ring for Canon EOS also requiredPACKAGE CONTENTSVixen focal adapter for Canon EOS

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€43.00* €54.00* (20.37% saved)
Vixen SX 60 mm to 50.8 mm adapter sleeve
The Vixen SX 60 mm to 50.8 mm adapter sleeve can be screwed on to the thread of a 60-mm focuser for connectionto a 50.8-mm (2") sleeveFEATURES Adapts 60-mm focusers for 50.8-mm eyepieces or flip mirrors. Compatibility: All Vixen OTAs with 60-mm connection Length: 10 mmWeight: 65 gPACKAGE CONTENTS60 mm to 50.8 mm adapter sleeve

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€33.00*
Vixen M54 Adapter Ring
M54 Adapter Ring for adapting to 54 mm accessories (for use with the 60 mm to M48 camera adapter)Replace the inner ring of the 60 mm to M48 camera adapter (optional) to attach cameras or accessories with a 54 mm internal thread (M54 × 0.75). Ideal for full-frame CMOS cameras: When shooting with a full-frame sensor or a CMOS camera, the larger diameter helps minimise vignetting.With the optional M56 Filter Conversion Adapter 48/52, you can use standard 48 mm / 52 mm photographic filters. Note:When using the M56 Filter Conversion Adapter 48/52, the PH corrector, PH extender, Coma Corrector 3 and SDP Reducer cannot be used.  FEATURES Telescope-side connection (female): M56 × 0.75 (for filter mount/adapter ring) Camera-side connection (male): M54 × 0.75 Compatible with: 60 mm to M48 camera adapter Not usable with: Wide Photo Adapter 60DX and Wide Photo Adapter 60 mm Dimensions: Ø 68 × 12 mm Weight: 23 g SCOPE OF DELIVERY Vixen M54 Adapter Ring

Available

€39.00*
Vixen Camera Adapter 60 mm to M48
The Vixen 60 mm to M48 camera adapter is used to mount an astronomical CMOS camera to Vixen telescopes with a 60 mm focuser. The adapter is suitable for cameras or accessories with an M48 × 0.75 internal thread. You can directly connect third-party CMOS cameras and other products with an M48 thread. (Depending on the CMOS camera, an extension tube (optional) may be required.) The adapter can be freely rotated by loosening the clamping screws to orient the image as desired. Using the optional M56 Filter Conversion Adapter 48/52, you can attach 48 mm / 52 mm third-party photographic filters. Note:When using the M56 Filter Conversion Adapter 48/52, the PH corrector, PH extender, Coma Corrector 3 and SDP Reducer cannot be used.  FEATURES Camera adapter: 60 mm to M48 Telescope side connection: 60 mm, P = 0.75 mm Accessory side (internal): M56 × 0.75 (female) Camera side (internal): M48 × 0.75 (female) Adapter: rotatable SCOPE OF DELIVERY 60 mm to M48 camera adapter

Currently unavailable

€98.00*
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Vixen SLV 50° Eyepiece 5mm (1.25'')

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Vixen SLV 50° eyepiece 2.5 mm (1.25")
The SLV eyepieces with high-quality lanthanum glass provide remarkably clear and high-contrast images of the night sky right to the edge of the field of view. The lanthanum elements almost completely eliminate chromatic aberration, producing a colour-neutral image right up to the edges. The lenses are also fully multi-coated for high light transmission. The eyecup can be twisted up and down, making the eyepiece suitable for glasses wearers. The large exit pupil distance of 20 mm means that the eye does not become fatigued during longer periods of use, and the entire field of view can be seen clearly even when wearing glasses. The eyepiece also features a standard 1.25" filter thread for colour and nebula filters. In addition, the insides of the eyepiece sleeves are fully blackened to reduce distracting reflections. FEATURES Very high contrast and sharpness over the entire field of view Comfortable interpupillary distance of 20 mm Lanthanum glass almost completely eliminates chromatic aberration 31.7 mm eyepiece barrel 1.25" filter thread Full multi-layered coating Eyecup can be twisted down for glasses wearers Weight: 173 g PACKAGE CONTENTS Vixen SLV 50° eyepiece Dust caps

Incoming

€142.00*
BRESSER Universal Smartphone Adapter Deluxe
Take pictures with your smartphone through the telescope or microskope? With the Smartphone camera adapter this is now child's play! Simply screw the adapter to the eyepiece and use your smartphone as a camera with a super-telephoto / super-macrophoto lens. It lets you take pictures of distant objects or very small objects as if you were very close.The Deluxe version offers an even more comfortable and secure attachment to the eyepiece. By a rotary movement of the clamping ring 3 clamping jaws are evenly applied to the eyepiece housing and the Smartphone adapter sits firmly and centrically on the eyepiece. The fine adjustment of the height of the smartphone support allows a quick and precise adjustment of the viewing height of the smartphone camera above the eyepiece lens. Good image results are thus guaranteed.  FEATURES Take photos through the telescope Smartphone camera with super telephoto lens Fine Height adjustment of phone support Wide adjustment range for eyepiece housing diameter Fits 31.7mm (1.25") eyepieces For eyepiece housing diameters from 22-38mm SCOPE OF DELIVERY Smartphone holder deluxeLocking ring for the smartphone

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€14.90*
Vixen Moon Filter ND
The bright moon becomes even brighter when viewed through a telescope.With large telescopes, observing at full moon can cause significant eye strain and impair your night vision when you move your eye away from the eyepiece.This moon filter reduces the amount of light, allowing you to observe the moon in comfort.The moon filter features a screw thread for 31.7 mm eyepieces. FEATURES Moon filter for 31.7 mm eyepiecesReduces the brightness of the moonProtects your eyes against bright moon lightWeight: 10 gDELIVERY CONTENTMoon filter

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Vixen SLV 50° Eyepiece 20mm (1.25'')
SLV eyepieceshigh-quality lanthanum glassclear and high-contrast star images rightlensesfully multi-coatedlarge and comfortable eye relief distance of 20 mmEven those who wear glassesPROPERTIESWHAT'S INCLUDED

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Vixen AX103S apochromatic Refractor - optical Tube
The AX103S is a top-of-the-range ED apochromat in the refractor series. It features a triplet ED object lens and a rear-mounted field-flattener lens. The f8.0 refractor contains a central ED lens in the objective and reduces chromatic aberration to an absolute minimum. An optional focal reducer can reduce the aperture ratio to 1:5.6 in order to provide quicker results for astrophotographers. The built-in field flattener lens provides a sharp image across the entire field of view – an essential requirement in astrophotography. The 60 mm ring on the focuser allows you to attach a 2’’ eyepiece or accessories and a camera adapter. The AX103S is specially designed for photography, but also offers stunning visual performance, especially for observing the moon and the planets. The AX 103S is corrected for full frame photography and provides razor-sharp pictures right into the corners of the image field. This telescope is guaranteed to provide a lifetime of outstanding performance! FEATURES Optimized for full frame photography Fully coated triplet ED objective with flattener Very high sharpness and contrast Optional reducer availableBackfocus without Reducer: 150.0 mmBackfocus with Reducer: 63,5 mm103 mm aperture and 825 mm focal length WHAT’S INCLUDED Telescope Tube clamps and carry handle Illuminated 7x50 viewfinder telescope Vixen's very useful Flip mirror diagonal system for finding and framing targets

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Vixen VC200L Optical tube
Astrophotographers generally use two different focal lengths: Short focal lengths for overview photos and extensive deep-sky objects, and long focal lengths for objects which are further away. Our aspherical mirror optics offer the perfect solution for these scenarios. The VISAC primary mirror (Vixen Sixth-Order Aspheric Cassegrain) is specially designed for astrophotography and provides a fully flat and true-colour image over the entire image frame. Thanks to the three-element field corrector in front of the convex secondary mirror, there is no spherical aberration, coma or field curvature. Although the device is designed for astrophotography, it is also suitable for visual observations. FEATURES Photographically optimized thanks to field flattener lens Revolutionary coating technology High light-gathering power Photographically optimised optical system Built-in field flattener lens 200 mm aperture and 1800 mm focal length Optional reducer availableBackfocus without Reducer: 142,9 mmBackfocus with Reducer: 63,5 mmWeight: 6.9 kg DELIVERY CONTENT VC200 reflector telescope Carry handle 7x50 finder scope (illuminated) Flip mirror Dovetail adapter

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€2,299.00*
Vixen SD103SII Telescope OTA
The Vixen SD103SII Telescope OTA is a new 103 mm apochromatic refractor with high-performance Super-ED glass (= SD). The advantage of this SD refractor is its short length and low weight. The FPL53 glass reproduces an extremely clear and sharp image by an exceptionally high degree of elimination of residual chromatic aberrations. The SD glass is designed to bring all beams of violet, red, blue, yellow and green very precisely together on the same plane. The special lens material reduces chromatic aberration across all colours.The new Vixen SD103SII no longer uses spacer plates, which leads to a significantly better image quality, especially with bright stars. In photographic images, no spikes can be seen on the stars, which were otherwise produced by the spacer plates. In addition, you will be thrilled when you look at the moon or the brighter planets and observe the moon craters pin sharp as well as with extremely high contrast. Also look at the ring planet Saturn or the cloud bands on Jupiter. But of course, brighter deep sky objects such as the Orion Nebula or the Andromeda Galaxy can also be observed in impressive detail.In combination with the new optional SD Reducer HD Kit or SD Flattener HD, these refractors allow illumination with a 44 mm image circle for full format SLR cameras. The older ED81SII, ED103S, ED115S refractors were originally developed for visual observers and photographers using APS-C cameras. However, the new SD series is also optimised for use with full-frame cameras through the use of new inner baffle rings. The large 60 mm eyepiece extension also allows heavy cameras to be attached without tilting. Furthermore, the included folding mirror allows comfortable observation even in unfavourable observation situations and additionally offers a T2 thread for connecting a DSLR camera. This allows you to observe in straight line or at a 90° angle. The carrying handle attached to the tube clamps ensures a secure grip when transporting the telescope. FEATURESObjective lens: D=103 mm, multi-coated 2-lens SD apochromat without spacer plates No more spikes on the stars Focal length: 795 mm (f7.7) Resolution and limiting magnitude: 1.13 arcseconds; 11.8 Light gathering power: approx. 217x more than the human eye Dimensions and weight: 115 mm dia x 810 mm; 5.5 kg Viewfinder telescope: 7x50 illuminated Adapters and connections: 60 mm thread, 50.8 mm and 31.7 mm socket, thread for T-ring Connection: 50.8 mm and 31.7 mm socket with flip mirror / folding mirror Photography: primary focus and eyepiece projection SCOPE OF DELIVERY Refractor SD103SII Telescope (OTA) Tube clamp with dovetail Dew cap Flip mirror / folding mirror Carrying handle Dovetail rail 7x50 viewfinder

Incoming

€2,199.00*
Vixen AXD2 with VMC 260 Maksutov-Cassegrain Telescope
AXD2 GoTo mount with VMC260L telescope set The AXD2 mount comes with the new STARBOOK TEN controller and the PFL polar viewfinder, which allows you to configure the mount quickly and easily via reference stars. This telescope set has everything that you need for hobby astronomy. The set includes a telescope, a mount with automatic tracking and a stable tripod. Featuring the STARBOOK TEN controller, the telescope locates celestial objects automatically so that you don’t need to search for them manually. Even if you’re not an expert, you can still give your friends an exciting tour through the night sky! The AXD 2 mount in detail: Robust construction and lightweight housing with 30 kg load capacity (photographic) The RA and DEC axes are made using the A7075 superalloy, one the strongest aluminium alloys. The stability of the A7075 superalloy is stronger than titanium, which is known for its strength as a lightweight material. Its thickness is 38% less than titanium. Using the A7075 superalloy for the axes ensures that the AXD mount is both lightweight and stable. 21 bearings The rotating parts of the AXD mount have a total of 21 bearings. These ensure uniform motion in order to swivel the telescope and track objects. Stepper motors Vixen uses precise stepper motors for the mount in order to ensure optimal performance. The motors are controlled via a micro-step motion control system, which eliminates the disadvantage of stepper motors with large steps. The system generates 400 impulses per second at a high speed. This results in very quiet scanning with no vibrations. The stepper motors on the AXD mount have sufficient torques. This is most significant when working at high magnifications and photographing with a CCD camera with small pixel sizes. Worm gears The sizes of the worm gears were increased in the latest Atlux version. The AXD mount has 270 teeth in the RA axis and 216 teeth in the DC axis. Both axes are 50 mm in diameter. This ensures that the mount operates with precision and stability. Low backlash The Vixen micro-step motion control system ensures that the stepper motors run uniformly at low and high speeds. This eliminates the need for reduction gears in the motor and therefore reduces the backlash in the gears. Elegant design The flat sides of the mount were designed based on previous generations of the New Atlux range. The white and silver housing provides a modern and elegant exterior with high functionality. The AXD is the flagship model in the Vixen mount range. Original motor layout The solid RA and DEC motor units are arranged in the lower part of the mount. This means that they automatically act as a counterweight. As a result, you require far fewer weights on the counterweight bar. On small devices, no counterweight is required. The counterweight bar can be slid fully into the housing. Polar finder scope The AXD mount is equipped with a 6x20 polar finder as standard. The polar finder features an integrated scale, which provides a quick and easy way to polar align the telescope in the northern hemisphere. For observations in southern latitudes, the polar finder features an image of the Octans constellation, which can be aligned with the night sky. VPEC periodic error correction Periodic errors on mounts are usually measured and corrected by the user. Unlike the old StarBook controller, the STAR BOOK TEN controller saves these errors permanently. The periodic error of the mount is measured in the factory and corrected before delivery. This is known as VPEC and functions automatically as soon as you use the mount. It delivers an accuracy of +/- 2.8 arc seconds. You can increase the tracking accuracy further by saving your own recorded periodic errors. The VMC 260 in detail The optics of the VMC260L are significantly better than the traditional Schmidt-Cassegrain telescope. Despite its high 3000 mm focal length, it is just 650 mm long. Featuring a large 260 mm aperture, the telescope collects large amounts of light for serious professional observations and photography of the planets and countless deep-sky objects. Thanks to the dielectric mirrors, the VMV260L guarantees razor-sharp images and maximum brightness. The open lens barrels cool the telescope quicker than conventional closed Cassegrain systems. The telescope can be used with an optional 0.62x focal reducer to reduce the aperture ratio to 1:7.1. This shortens the exposure times and allows you to photograph large objects. The telescope comes with a standard dovetail bar and a carry handle that doubles up as a camera holder for night sky photography. FEATURES AXD2 GoTo mount with VMC260L telescope Professional telescope kit with TR102 tripod Mount with 30 kg load capacity (photographic) Modern STARBOOK TEN controller with autoguider input More than 270,000 pre-installed celestial objects Illuminated polar finder with direct star alignment Professional Maksutov-Cassegrain with 260 mm aperture Very stable metal observatory column Total weight: 70.1 kg WHAT’S INCLUDED P85 observatory column 2 counterweights (1.5 kg and 7.0 kg) 7x50 finder scope Folding mirror Carry handle

Available

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Vixen Camera Adapter 60 mm to M48
The Vixen 60 mm to M48 camera adapter is used to mount an astronomical CMOS camera to Vixen telescopes with a 60 mm focuser. The adapter is suitable for cameras or accessories with an M48 × 0.75 internal thread. You can directly connect third-party CMOS cameras and other products with an M48 thread. (Depending on the CMOS camera, an extension tube (optional) may be required.) The adapter can be freely rotated by loosening the clamping screws to orient the image as desired. Using the optional M56 Filter Conversion Adapter 48/52, you can attach 48 mm / 52 mm third-party photographic filters. Note:When using the M56 Filter Conversion Adapter 48/52, the PH corrector, PH extender, Coma Corrector 3 and SDP Reducer cannot be used.  FEATURES Camera adapter: 60 mm to M48 Telescope side connection: 60 mm, P = 0.75 mm Accessory side (internal): M56 × 0.75 (female) Camera side (internal): M48 × 0.75 (female) Adapter: rotatable SCOPE OF DELIVERY 60 mm to M48 camera adapter

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Vixen A80Mf Porta II Telescope Set
The Vixen A80Mf Porta II telescope set includes everything that an entry-level astronomer needs. The A80Mf is an achromatic refractor with excellent colour correction properties, making it ideal for observing the moon and the planets. It is also suitable for observing bright nebulae. The PORTA II mount is not just popular among beginners – it also allows experienced astronomers to mount their devices quickly and easily. The PORTA II features a high-quality design and comes with a fine adjustment function for both axles. The PORTA II does not require a clamp, as it sports a slip clutch that allows you to adjust the position to your desired object. It automatically holds its position, making it easy for users of all abilities to operate. FEATURES Objective lenses: 80 mm 2-lens achromat, multi-coated Focal length: 910 mm (f11.4) Resolution and limiting magnitude: 1.45 arc seconds; 11.3 Light-gathering power: 131x Total weight: 9 kg Adapter and connections: 31.7 mm receptacle with T2 connection for cameras WHAT’S INCLUDED Porta II mount A80Mf telescope 2 eyepieces: Plössl 20 mm and Plössl 6.3 mm 6x30 viewfinder telescope 31.7 mm star diagonal Tripod Tripod storage shelf for accessories Shafts for fine adjustment Tube clamps and dovetail adapter Dew cap Mounting tool

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€599.00*