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SkyWatcher Skymax 127 AZ-GTi...
Welcome to the section dedicated to astrographs: high performance optical tubes for high quality astrophotography.
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Sharpstar presents a newton astrograph called 200 F3.2 PNT, a mirror astrograph composed by a primary parabolic mirror F/3.8, a standard secondary mirror and a four lens 0.85x reducer/corrector capable to cover a 44 mm imaging circle, i.e. up to the full-frame image format (24x36 mm). The reducer/corrector takes down focal length to 640 mm (F/3.2). Main...
This kit includes the Sharpstar 61EDPH doublet apochromatic refractor with dedicated 0.8x full-frame reducer/corrector. The telescope transforms into a 5-lens system flat-field astrograph with 275 mm focal length and F/4.5 focal ratio. Field of view up 7.5x5°!
Kit composed by the Vixen newtonian reflector R200SS, the Vixen Corrector PH that takes down the focal ratio to F/3.8 (focal length 760 mm) and the Vixen Extender PH 1.4x that takes up focal ratio to F/5.6 (focal length 1120 mm). Correctors are both optimized for full-frame sensor delivering a corrected image circle up to 44 mm. Vixen AS Coating for...
Kit composed by the Vixen newtonian reflector R200SS and the Vixen Extender PH 1.4x that takes up focal ratio to F/5.6. Corrector is optimized for full-frame sensor delivering a corrected image circle up to 44 mm. Vixen AS Coating for maximum light transmission and maximum stray-light protection!
Kit composed by the Vixen AX103S Super-Apochromatic refractor with accessories and the Vixen Reducer HD focal reducer.
Celestron Rowe-Ackermann Schmidt astrograph 8" F/2. This optical tube features 203 mm diameter (8"), F/2 focal ratio (400 mm focal lenght). Includes fan battery pack, M42 and C-thread camera adapters.
Sharpstar presents a new compact astrograph called 150 F2.8 HNT, a mirror astrograph composed by a primary hyperbolical mirror F/2.8, a standard secondary mirror and a three lens corrector capable to cover a 44 mm imaging circle, i.e. up to the full-frame image format (24x36 mm).This new astrographs features a 150 mm primary mirror with an effective focal...
The Sharpstar 100Q F/5.8 apochromatic refractor is a FPL-53 quadruplet with 100 mm lens diameter and 580 mm focal length designed for astrophotography with corrected and illuminated image circle up to 49 mm. This telescope features a 3" sturdy rack and pinion focuser with 360° rotation and 1:10 microfocuser, 2" and 1.25" adapter included. Telescope comes...
The Sharpstar 86SQ F/5.4 apochromatic refractor is a FCD-100 Petzval quadruplet with 86 mm lens diameter and 464 mm focal length designed for astrophotography with corrected and illuminated image circle up to 60 mm. This telescope features a 3.5" sturdy rack and pinion focuser with 360° rotation and 1:10 microfocuser, 2" and 1.25" adapter included....
The Sharpstar 71SDQ F/6.3 apochromatic refractor is a FPL-53 quadruplet with 71 mm lens diameter and 450 mm focal length designed for astrophotography with corrected and illuminated circle up to full-frame. This telescope features a 2.5" sturdy rack and pinion focuser with 360° rotation and 1:10 microfocuser, 2" and 1.25" adapter included. Telescope comes...
Kit composed by the Skywatcher Evostar 72ED doublet apochromatic refractor and the dedicated Skywatcher 0.85x focal reducer. Focal length will be lowered down to around 357 mm (F/4.96).
Kit composed by the Vixen VC200L Aspherical Cassegrain OTA and the Reducer HD 0.79x focal reducer. High-performance system suitable for modern large-size CCD and CMOS sensors with tiny pixels. Contact us for info about connecting your DSLR or your CCD / CMOS cameras.
Kit composed by the Vixen SD115S doublet apochromatic refractor, the SD Flattener HD field corrector and the SD Reducer HD focal reducer. With this kit you will get an high performance flat-field astrograph capable to cover the full-frame image format. Double focal length for maximum versatility!
Kit composed by the Vixen SD103S doublet apochromatic refractor, the SD Flattener HD field corrector and the SD Reducer HD focal reducer. With this kit you will get an high performance flat-field astrograph capable to cover the full-frame image format. Double focal length for maximum versatility!
Kit composed by the Vixen SD81S doublet apochromatic refractor, the SD Flattener HD field corrector and the SD Reducer HD focal reducer. With this kit you will get an high performance flat-field astrograph capable to cover the full-frame image format. Double focal length for maximum versatility!
Astro-Physics Stowaway 92 F/6.65 apochromatic refractor with 2.5" FeatherTouch focuser. Diameter 92 mm, focal length 612 mm (F/6.65). Air-spaced triplet apochromat with Hoya FCD-100 central lens. Machined aluminium tube, fully baffled, with flat black interior and engraved retaining ring. FeatherTouch FTF2535 focuser with Feather Touch Micro 9:1...
Kit composed by the Vixen FL55SS fluorite doublet apochromatic refractor, dedicated Flattener HD corrector and Reducer HD focal reducer that transform this telescope into a double focal length astrograph for wide-field imaging (F/5.7 - 312 mm focal length with Flattener HD and F/4.3 - 237 mm focal length adding also the Reducer HD). If you have a Canon...
Kit composed by the Vixen FL55SS fluorite doublet apochromatic refractor and dedicated Flattener HD corrector that transform this telescope into a 55 mm F/5.7 (312 mm focal length) astrograph for wide field imaging. EX 66 extension tube included. If you have a Canon EOS DSLR we highly reccomend the Canon EOS 60DX adapter (#VX-38751).