LUNT LS50FHa/B1200d2 H-alpha solar filter

50mm H-alpha solar filter system with B1800 blocking filter, for front mounting at telescopes with 1.25" focuser, and up to 1620mm focal length.The LS50FHa H-alpha Etalon filter system with 50mm aperture (no central obstruction) for use on any refractor and many other telescopes. Because the LS50FHa has an estimated bandwidth of <0.75 Angstrom it is capable to providing high contrast views of both solar surface and edge detail (prominences).The system includes the B1800 blocking filter, which is usable for telescopes up to 1620mm focal length. Larger blocking filters suitable for longer focal length are also optional available. The blocking filter is installed in a 90° star diagonal for 1.25" focuser. This diagonal is equipped with a reception for 1.25" eyepieces and a T2 camera connection.Adding an additional available double-stack Etalon system will reduce the bandwidth to ~<0.55 Angstrom.FEATURESAperture: 50 mmNo central obstructionBandwidth: <0.75 AngstromTuning: tiltable EtalonHousing diameter: 95 mmLength: 73 mmWeight: 0.7 kgFront thread: M90x1 female threadRear thread: M90x1 male threadBlocking filter: B1800 in diagonal for 1.25" focuserMaximum focal length of telescope: 1620 mmSCOPE OF DELIVERYLS50FHa solar filterB1800 Blocking Filter (for 1.25" focuser) in star-diagonalTransport caseInstruction manual

50mm H-alpha solar filter system with B1800 blocking filter, for front mounting at telescopes with 2" focuser, and up to 1620mm focal length.The LS50FHa H-alpha Etalon filter system with 50mm aperture (no central obstruction) for use on any refractor and many other telescopes. Because the LS50FHa has an estimated bandwidth of <0.75 Angstrom it is capable to providing high contrast views of both solar surface and edge detail (prominences).The system includes the B1800 blocking filter, which is usable for telescopes up to 1620mm focal length. Larger blocking filters suitable for longer focal length are also optional available. The blocking filter is installed in a 90° star diagonal for 2" focuser. This diagonal is equipped with a reception for 1.25" eyepieces and a T2 camera connection.Adding an additional available double-stack Etalon system will reduce the bandwidth to ~<0.55 Angstrom.FEATURESAperture: 50 mmNo central obstructionBandwidth: <0.75 AngstromTuning: tiltable EtalonHousing diameter: 95 mmLength: 73 mmWeight: 0.7 kgFront thread: M90x1 female threadRear thread: M90x1 male threadBlocking filter: B1800 in diagonal for 2" focuserMaximum focal length of telescope: 1620 mmSCOPE OF DELIVERYLS50FHa solar filterB1800 Blocking Filter (for 2" focuser) in star-diagonalTransport caseInstruction manual

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 perform celestial navigation without any wiring. The app turns your smartphone or tablet into a controller for the equatorial mount in no time. The response delay of the mount, which is considered the biggest disadvantage of wireless connections, has been reduced to a level comparable to wired ones. 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. 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 available.Convenient operation When looking through the telescope operate the mount by swiping on the app's star map. Since there are no buttons, simply slide your finger over the star chart for convenient operation of the mount. Extensive astronomical data includedThis includes data on easily observable celestial bodies such as Messier objects, NGC objects, IC objects as well as the Sun, Moon, planets, comets and dwarf planets. High-precision alignment By aligning to one or two stars, you already get a fairly accurate 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 will then be approached precisely and centrally in your telescope's field of view. The alignment information is stored and can be retained even when the telescope is switched off. By leaving the telescope in its current state without moving it after completing an observation, the next time you observe you can start the automatic setup with the same settings for the next observation. Individual setting options As with the STAR BOOK TEN controller, 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 lens tube inversion (meridian flip) as desired. Even if the object moves south during tracking, you can prevent the telescope tube from inverting. Important information: Cannot be used on old SX mounts with the old blue Star Book. FEATURES Can be used on: SX2, SXD2, SXD2-PFL, SXP, SXP-PFL, SXP2, AXJ (without encoder), AXD, AX Not compatible with old SX mounts with blue Star Book CPU: 32bit CISC processor 120MH Connector: D-SUB 9-PIN socket Autoguider connector: 6-pin modular connector for SBIG Operation: Android 6, iOS 9.0 or higher Wifi standard: IEEE802.11b/g Data encryption: WPA2-APK Firmware update: via WiFi connection Operating voltage: DC12V 0,1A (max) Power supply: via mount Dimensions: 56 x 36 x 19.5 mm, weight: 60 g SCOPE OF DELIVERY Vixen Wifi adapter

A very compact, complete telescope for observing the sun in H-alpha light.The LS50THa solar telescope offers 50 mm free aperture, 350 mm focal length, and provides a bandwidth of <0.75 Angstrom. The telescope is fitted as standard with the air-pressure tuning system "Pressure-Tuner", the Etalon is safely installed inside the telescope. Prominences and surface detail can quickly be viewed spontaneously. This very portable system is an ideal travel companion for wherever you go.A B400 blocking filter is installed inside the star diagonal. The B400 is good for visual observing. Focusing is achieved by a non-roting Helical focuser.Please note that there is only a small back-focus at this telescope, therefore solar-imaging is very difficult. The LS50THa is designed for visual solar observing. We recommend for imaging the 60mm telescopes of the LS60MT series.Also double-stacking with a bandwidth of only <0.5 Angstrom is possible by using the additional available LS50C filter (0550210). This filter threads directly onto the LS50THa telescope. Double-stacking will provide much more contrast, and more details on the sun will become visible.FEATURESAperture: 50  mmFocal Length: 350 mmBandwidth: <0.75 AngstromTuning: air-pressure tuning system "Pressure-Tuner"Blocking Filter: B400non-rotating Helical focuserTube-ring with 1/4-20 tapped base (standard thread for photo-tripods)Length: 37cmWeight: 2.1kgSCOPE OF DELIVERYLS50THa H-alpha Solar TelescopeB400 Blocking Filter in star-diagonalPressure-TunerTube ring with 1/4-20 connection for mounting on photo-tripodsnon-rotating Helical focuserInstruction manual

Adapter plate for mounting a LUNT LS50FHa or LS60FHa front-filter at a telescope with up to 80mm front outer diameter.With this adapter you can mount a LS50FHa or LS60FHa at your existing astronomical telescope with up to 80mm outer diameter, in order to use this telescope for solar observing in H-alpha. The adapter is plugged onto the front of your telescope, and the filter can be screwed onto the adapter.PLEASE NOTE:This article no. 0557410 gives only the price for a complete range of different adapter-plates up to 80mm diameter. The real adapter-plate will be manufactured exactly for your telescope. Therefore we need the exact outside diameter of your telescope or the dew shield!When ordering, you will find a field for comments, please note there the appropriate diameter!Then we will manufacture a adapter-plate for the diameter that you have noted. Manufacturing time will be 2 to 3 weeks.If you have any questions, you can contact us by e-mail or telephone.SCOPE OF DELIVERY1x adapter plate manufactured by your specifications(Filter not included)Delivery time 2-3 weeks

NEW - now including a high-quality aperture Solar-filter for safe observation of sunspots, eclipses and planet transits. Great telescope for night and solar observation.The combination of large aperture and short focal length predestine the BRESSER Messier AR-152S for the observation of large celestial objects. Experience the famous globular cluster M 13 in the constellation Hercules: Thousands of pinpoint stars stand before a black sky like so many diamonds spilled onto black velvet. Equipped with nebular filters you can watch the Gulf of Mexico in the North America Nebula and all the other celestial objects that Charles Messier listed in 1781. The compact size of the Messier AR-152S combines outstanding tranportability, high light gathering power and low weight for a telescope of this aperture. The special four lens construction delivers a better perfomance than a classical two lens achromat of this focal length. This telescope is only an optical tube without mount and tripod.FEATURESOptical design: refractor telescopeLens diameter: 152 mm / focal length: 760 mm / F/5Maximum recommended magnification: 254xTelescope for night and solar observationHigh quality BRESSER refractor opticsUniversal telescope for planets, double stars, planetary nebulae and deep-skyExcellent focuser with 2,5" (65 mm) open diameterFour lens construction8x50 straight through viewfinder reticleoptimized finder socket for comfortable useCradle rings with handle and integrated piggyback camera holder (1/4 thread)Smartphone camera adapter for sky navigation includedUniversal 44 mm Dovetail plate with stainless steel rail (fits LXD75/Great Polaris/EQ5)50,8 mm (2") to 31,7 mm (1,25") adapter with integrated T2 thread (T2-adapter ring for your camera is needed)Backfocus: 150 mm behind Hexafoc with attached 2" eyepiece adapterCollimatable lens cellSCOPE OF DELIVERYOptical Tubeaperture solar-filter26 mm Super Plössl eyepiece (31.7 mm / 1.25")31,7 mm (1.25") diagonal mirrorintegrated 31.7 mm and T2 adaptertube rings with universal 44 mm Dovetail plate with stainless steel rail (fits LXD75/Great Polaris/EQ5)handle with camera holderSmartphone adapter for celestial navigation 8x50 Viewfinderastronomy PC software Stellariumrotatable star map

60mm H-alpha solar filter system with B1200 blocking filter, for front mounting at telescopes with 1.25" focuser, and up to 1080mm focal length.The LS60FHa H-alpha Etalon filter system with 60mm aperture (no central obstruction) for use on any refractor and many other telescopes. Because the LS60FHa has an estimated bandwidth of <0.75 Angstrom it is capable to providing high contrast views of both solar surface and edge detail (prominences).The system includes the B1200 blocking filter, which is usable for telescopes up to 1080mm focal length. Larger blocking filters suitable for longer focal length are also optional available. The blocking filter is installed in a 90° star diagonal for 1.25" focuser. This diagonal is equipped with a reception for 1.25" eyepieces and a T2 camera connection.Adding an additional available double-stack Etalon system will reduce the bandwidth to ~<0.55 Angstrom.FEATURESAperture: 60 mmNo central obstructionBandwidth: <0.75 AngstromTuning: tiltable EtalonHousing diameter: 95 mmLength: 85 mmWeight: 0.85 kgFront thread: M90x1 female threadRear thread: M90x1 male threadBlocking filter: B1200 in diagonal for 1.25" focuserMaximum focal length of telescope: 1080 mmSCOPE OF DELIVERYLS60FHa solar filterB1200 Blocking Filter (for 1.25" focuser) in star-diagonalTransport caseInstruction manual