Vixen reducing sleeve 36.4–31.7 mm

The BRESSER camera adapter is the ideal connecting piece between your 35 mm SLR camera or DSLR and your telescope. The adapter is suitable for 1.25" eyepieces with a larger housing diameter of up to 55 mm. Please note, this adapter will be suitable for most Refractors and Cassegrain designs, but may not be suitable for use with all Newtonian designs of telescopes, due to the comparatively short travel of focus in some Newtonians. Please check with us if you'd like further advice regarding your particular telescope.FEATURESvariable camera adapterfor eyepiece projection and prime focusincludes a short prime focus adapter from 1.25" to T2 threadsuitable for 1.25" eyepieces up to 55mm housing diameter barrel diameter: 31.7mm (1.25")WHAT'S INCLUDEDvariable camera adapter

Large binoculars with 70 mm ED glass objective lensesObserve the beauty of the starry sky at night and distant objects in nature during the day. By customer request, we have succeeded in producing a new edition of these legendary binoculars. The ED glass lenses guarantee enormously high sharpness, contrast and colour purity even during the day. Globular clusters, luminous gas nebulae, the moon with its craters and even planets can be observed wonderfully on a clear night. But also all other distant things in nature and landscape, even ships, aircrafts and animals can be seen in detail at long distances. With the binoculars of the Vixen BT series, you can bring everything up close. The large, fast ED lenses in combination with the ultra modern magnesium fluorite coatings on all lens surfaces enable maximum light transmission. Thus, these binoculars produce bright, sharp and high-contrast images even at night and dusk, allowing for a particularly aesthetic viewing pleasure.Comfortable travel binoculars can also be used with photo tripodsThe comfortable 45-degree viewer enables comfortable viewing even when the binoculars are tilted towards the zenith. The BT-ED70S-A large binoculars are 4 kg light and particularly portable. An attached metal carrying handle ensures easy transport and a secure grip during tripod mounting. The binoculars have a standard Vixen dovetail rail as well as a standard 1/4 and 3/8 inch photo tripod thread. They can therefore be used on almost all common photo tripods and telescope mounts.The ideal binocular mountHowever, we recommend the Vixen HF2 fork mount for mounting. Thanks to its sophisticated design and precision mechanics, it offers perfect viewing comfort and practically zero vibrations. Especially for astronomical observations, a solid mount with tripod is one of the most important accessories. This guarantees observation without shaking and allows you to see even the finest details.Interchangeable 1.25-inch eyepiecesStay flexible and use your favourite eyepieces and ideal magnification. The BT-ED70S-A has standardised 1.25-inch eyepiece holders, allowing you to change eyepieces at any time.Which eyepieces can be used?All eyepieces with a 1.25'' barrel. Eyepieces with focal lengths of 8 to 26 mm are particularly recommended. The magnification can thus be varied from approx. 15x to 50x (focal length of binoculars : focal length of eyepiece = magnification). The eyepieces are held in the binoculars by a precise brass ring clamp and guarantee a tilt-free position. Depending on the interpupillary distance, the outer diameter of the eyepiece housing should not exceed a value of approx. 50 mm. Of course, two identical eyepieces of the same series should always be used.Use of colour and nebula filters for astronomical observationsIncrease the contrast and visibility of objects and details by screwing the appropriate filters directly into the thread of the eyepiece sleeves. Of course, colour and nebula filters must always be used in pairs. All EXPLORE SCIENTIFIC screw-in filters with 1.25''/31.7 mm diameter are suitable (see Art. No. 03102xx).Comfortable 45-degree viewer and single focusingThe 45-degree viewer enables a relaxed observation position even when the binoculars are heavily tilted. The individual interpupillary distance can also be adjusted within a range of 58 to 102 mm. The fine helical focusing system makes precise focusing simple and effortless.Retractable dewcapsThe integrated dew caps can be pulled out in high humidity and cold conditions. This prevents fogging of the outer objective lenses and effectively shields from additional stray light coming in from the side.FEATURESObjective lenses: 70 mm / ED apochromaticFull multi-coating on all lens surfacesFocal length 400 mm (F = 5.7)Resolving power: 1.66 arcsecondsLimiting magnitude: Mag 11.0Dimensions: 400 × 190 × 155 mmWeight: 4 kgAdjustable interpupillary distance: 58-102 mmIntegrated and retractable dew capsViewfinder shoe: Vixen StandardEyepiece mount: 1.25 inch / 31.7 mm barrel diameterSingle eyepiece focusingTripod mount: GP dovetail rail, 1/4 and 3/8 inch photo tripod threads.SCOPE OF DELIVERYBT-ED70S-A Large Binoculars (without eyepieces)Vixen finder shoeIntegrated dew capsDust coverCarrying handle

The BRESSER Venus 76/700 AZ reflecting telescope allows beginners to experience their very own stargazing hours quickly and easily. With the complete set, you are equipped with everything you need for your very own sky observations: an astronomical reflecting telescope with 76 mm aperture and 700 mm focal length, an azimuthal mount, a tripod as well as extensive accessories. And to guarantee a successful start in astronomy, the system is very easy to handle – the perfect first telescope for beginners! Established technology for your easy start – the telescope With this entry-level telescope, you will be able to admire the night sky through a classic Newtonian reflector. A little surprising for astronomy novices: with this particular type, you do not look in at the back of the telescope, but at the front and laterally. The advantage: even if the telescope aperture is directed vertically towards the sky, you can make your discoveries very comfortably. No need to bend down! In addition, the Newtonian reflector is very easy to use. The optics in this type of reflector telescopes are also impressive, because they are free of chromatic aberrations – resulting in good imaging properties at all times. A sharp image with good contrast – the Venus reflector telescope achieves this with its large focal ratio of about 1 to 9.2 (F/9.2 – calculated from 76 mm aperture and 700 mm focal length). Thanks to its long focal length, the telescope for beginners shows you the Moon, Sun, planets, open star clusters as well as globular clusters in a particularly impressive way. And all this at a magnification of up to 150x in really sharp images! Technically, you can magnify even higher – theoretically up to 525x while using the included accessories. However, as the magnification increases, the sharpness of the image may slowly decrease. Of course, how much you can magnify depends not only on the resolving power of your telescope. The air turbulence in the atmosphere (seeing conditions) also plays an important role. Note for nature lovers: If you choose a Newtonian telescope like the Venus reflector telescope, you can look forward to a specialist in astronomical observation. However, the image is always displayed laterally reversed as well as upside down, which makes no difference when observing the sky. However, this type of telescope is less suitable for nature and landscape observation during the day. Would you like to use your new telescope for exciting nature discoveries as well? Then we recommend that you choose one of the BRESSER refractor telescopes. A good foundation for a successful start – mount and tripod The height-adjustable aluminium tripod and the azimuthal mount provide a firm footing and easy celestial navigation. Especially the azimuthal mount makes life easy for beginners, because it is very user-friendly: just like a typical photo tripod, you turn the telescope by hand to the left and right, up and down. This way, your favourite celestial objects quickly appear in your field of vision. Handy: to ensure that your astronomy accessories are always within reach, there is a storage plate between the tripod legs. Everything that goes with it – the accessories Out of the box straight to the fun of observing – with the complete astronomy set, you are quickly on your way to discovering the universe. The LED viewfinder helps you keep an eye on the sky. You just mount the direction finder parallel to the actual telescope and it projects a red dot onto a small ground-glass screen. This then appears to be hovering in front of the sky when you look through the viewfinder. And it does so at exactly the same spot that your telescope is pointed at. This way, the LED finder helps you to align the reflector telescope precisely and to find the celestial objects more easily. When it comes to the level of detail in your observations, the Venus beginner's reflector telescope gives you a choice: the two included eyepieces (4 mm and 20 mm) allow you two different magnifications. You want to get an even closer look? Then simply triple the magnification of the eyepieces with the 3x Barlow lens. In addition, the socket diameter of 31.7 mm (1.25 inch) complies with an international and manufacturer-independent standard. So you can easily expand your set – and with it your astronomical horizon. If you want to observe fascinating sights not only at night but also during the day, simply grab the solar filter. With it, you can safely admire spots and granulation on our nearest star – the Sun. CAUTION: Never point the telescope at the Sun without the solar filter! A new hobby leads to new impressions – and naturally you want to capture and share those. Therefore, you can easily use your mobile phone for your first steps into astrophotograpy with the smartphone adapter. Perfect for great snapshots of the Moon or the Sun, for example. Look forward to exciting astronomical discoveries by day and night – with the BRESSER Venus 76/700 AZ reflector telescope. FEATURES Reflector telescope for beginners with 76 mm aperture and 700 mm focal length Reflector type Newton Good for observing Sun, Moon, planets and star clusters Height-adjustable tripod with azimuthal mount Easy to use even by beginners Focal ratio F/9.2, thus sharp image and good contrast Two eyepieces and a Barlow lens with 31.7 mm (1.25 inch) sockets for different magnifications Safe solar observation with the included solar filter First steps into astrophotography with included smartphone camera adapter SCOPE OF DELIVERY Refractor telescope Aluminium tripod Azimuthal mount Eyepieces: 4 mm and 20 mm (1.25 inch sockets) Barlow lens 3x (1.25 inch socket) LED illuminated dot finder Solar filter Smartphone camera adapter Accessory tray Astronomy software download Instruction manual

​SX2WL A80Mf telescope set with mount, tripod and eyepiecesThe A80Mf refractor is an ideal entry-level model for astronomy beginners who value high quality. Thanks to the Vixen quality controls, the 80 mm lens impresses with its outstanding optical performance. Two Plössl eyepieces (6.3 mm and 20 mm) and a 90° star diagonal are already included in the scope of delivery.Explore the moon and the brighter planets with the A80Mf. On good nights, you can observe the rings of the planet Saturn and the two brightest cloud bands on Jupiter are also visible. If the weather permits, you can even see the large red spot on the planet. On moonless nights, you can also observe the Andromeda Nebula or the Orion Nebula. The sturdy metal focuser provides a secure and stable mount for eyepieces, camera or other accessories. The 6x24 finder allows you to find celestial objects very quickly and easily. You can also connect your DSLR camera to the telescope using the T2 thread built into the focuser with an optional T-adapter. The sturdy metal tripod enables vibration-free installation of the telescope and mount, even in windy weather. The ultra-modern SX2WL mount is simply operated via a Wi-Fi module with your smartphone or tablet.By simply controlling the mount with your smartphone or tablet and using the free STAR BOOK Wireless app, you can easily use sky navigation functions such as automatic GoTo panning for many celestial objects. By eliminating the conventional LCD display (STAR BOOK TEN), the power consumption on the mount is reduced by up to 20%, thus enabling longer astronomical observation and astrophotography.When you touch the desired celestial object on the star chart, it is automatically pointed into the telescope's field of view and tracking begins.NOTE: An existing STAR BOOK TEN or ONE 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 SX2WL 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 is just 7 kg light, making it ideal for mobile observations. In addition, the motors mounted in the lower part of the mount also serve as a counterweight and the mount therefore requires fewer weights for balancing.The SX2WL mount in detailPrecision stepper motors and micro-step motion control systemAt the heart of the SX2 are the precision stepper motors, which offer better performance and response than previous models. The micro-step motion control system scores with powerful yet very smooth drive characteristics, which are present in both fine movements and fast pans.Built-in bearingsThe 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 running surfaces of the two worms and worm wheels are manufactured to be particularly smooth, enabling very precise tracking.Declination axis as counterweightThe massive motor units are installed in the lower part of the declination axis so that the center of gravity of the SX2WL is below the intersection point of the RA and DEC axes. This means you need fewer additional counterweights.Latitude adjustmentThe latitude is adjustable between 0 and 70 degrees (divided into 3 zones and adjustable in +/- 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 detailThe 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 "STAR BOOK Wireless" smartphone app transforms 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 monitorThe power consumption of the mount is reduced by up to 20%, allowing longer observations than with conventionalwired controllers such as the STAR BOOK TEN.Operation similar to the STAR BOOK TEN control unitThe STAR BOOK Wireless app has a similar structure to the STAR BOOK TEN control system. 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 retainedConvenient operationWhen 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 includedIn 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 alignmentBy aligning the mount to one or two stars, you can already achieve fairly precise positioning of the mount. By aligning 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 the field of view of your telescope. 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 optionsAs with the STAR BOOK TEN controller, the app offers various individual settings, such as gear backlash compensation, night mode in red, autoguider, variable GoTo speed and LED brightness. You can also set the timing of the reversal of the objective tube (meridian flip) as required.Even if the object moves to the south during tracking, you can prevent the telescope tube from reversing.Important information: Cannot be used on old SX mounts with the old blue star bookTechnical informationCPU with 32-bit CISC processor 120 MHzThe unit is connected to the mount via a D-SUB 9PIN connector as is the STAR BOOK TEN.It has a 6-pin, 6-wire modular connector for external autoguider operation.Supported operating systems are Android 6 or higher, iOS 9.0 or higher, WLAN standard: IEEE 802.11b/g/n・ FEATURESTelescope A80MfObjective lenses: 80 mm, achromat, coatedFocal length: 910 mm (f/11.4)Resolution and limiting magnitude: 1.45 arc seconds; 11.3Light gathering capacity: 131xDimensions and weight: (OD) 90 mm x (L) 860 mm; 3.3 kgViewfinder telescope: 6x24 mmAdapter and connections: 42 mm for T-thread; 31.7 mm connectionSupplied accessories: 31.7 mm zenith prism, PL20 mm and PL6.3 mm eyepiecesPhotography: primary focus and eyepiece projectionSturdy metal focuserSX2WL mountRA Gear rim: 180 teethDEC gear rim: 180 teethBearing: Carbon steel / Decl. 35 mm, RA 40 mm thicknessFine height adjustment: 0° to 70°, (fine adjustment +/- 15°, height)Counterweight rod: 20 mm diameterAzimuth adjustment: Fine worm adjustmentPower supply: DC12 V; 0.4~1.7 AMaximum load: 12 kg, photographic, without counterweightCounterweight: 1x 1.9 kgTripod connection: 45 mm spigotDimensions: 36 cm (H) x 12 cm (W) x 36 cm (L)Weight: 7 kg, without counterweight32-bit CISC processor 120 MHzOperating system: Android 6 or higher, iOS 9.0 or higherConnection: D-SUB 9PIN plugAutoguider input ST4Power consumption SXD2WL+Wireless unit: DC12V / 0.3-2.0 A (load 10 kg), 0.4-2.2 A (load 15 kg)SCOPE OF DELIVERYSX2WL mountWireless unitCounterweight: 1.9 kgMounting toolCigarette lighter cableA80Mf refracting telescope31.7 mm zenith prism2 eyepieces: PL20mm and PL6.3mmTube ringsDovetail mount6x24 mm finder scopeSXG aluminum tripodSXG pier extension

Eyepiece adapter 50.8 mm to 43 mmFEATURES Adapts a 50.8-mm thread to a 43-mm female thread Compatibility: For mounting the 73523 camera adapter 43 mm deluxe Weight: 85 gPACKAGE CONTENTSVixen reducing sleeve 50.8–43 mm