Vixen SD Reducer HD Kit (59953)
Vixen SD Reducer HD Kit (59953)
465.81 $
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The Vixen SD Reducer HD Kit is a high-performance accessory set designed for prime focus astrophotography with Vixen SD81S, SD103S, and SD115S optical tubes. This kit is ideal for users who want to achieve ultra-sharp images across the entire field of view when using DSLR cameras with full-frame sensors. It includes a high-quality flattener lens, a reducer lens, and connecting rings (Spacer Ring SD81 and EX Tube 66) to ensure compatibility and optimal results.
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Vixen Teleconverter Extender PH Kit for R200SS (83404)
Vixen Teleconverter Extender PH Kit for R200SS (83404)
559.16 $
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The Vixen Teleconverter Extender PH Kit for R200SS is a high-quality extender lens system made in Japan and specifically designed for astrophotography. This kit transforms the R200SS parabolic mirror Newtonian reflector, converting it from an f/4 system to an f/5.6 astrograph by increasing the focal length from 800 mm to 1120 mm (a 1.4x extension). The optical design consists of four elements in three groups, effectively correcting coma errors and delivering sharp images all the way to the edge of the field of view.
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William Optics Apochromatic refractor AP 51/250 RedCat WIFD OTA (82930)
William Optics Apochromatic refractor AP 51/250 RedCat WIFD OTA (82930)
1025.91 $
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The AP 51/250 is a remarkable optic that combines compact size, affordability, and outstanding optical quality—perfect for astrophotographers and nature photographers alike. At its core is a Petzval optical design, featuring four elements in three groups, made from high-grade FPL53 and FPL51 glass. This results in a color-true, well-corrected image circle over 44mm in diameter—making it ideal for full-frame cameras! Its fast f/4.9 aperture enables short exposure times.
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William Optics RedCat 61 mm WIFD Petzval APO Refractor, in red (79115)
William Optics RedCat 61 mm WIFD Petzval APO Refractor, in red (79115)
1679.36 $
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Discover the cosmos with the William Optics RedCat 61 mm WIFD Petzval APO Refractor, now in a vibrant red finish. Ideal for both amateur astronomers and seasoned astrophotographers, this compact telescope offers stunning, high-contrast images with exceptional clarity. Crafted from premium materials, it ensures long-lasting performance and durability. The RedCat's renowned optical precision, thanks to its advanced Petzval APO design, allows you to capture intricate details of stars and planets effortlessly. Experience the wonders of the universe right from your backyard with this outstanding astronomical tool.
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William Optics Apochromatic refractor AP 91/448 BlackCat 91 WIFD OTA (85223)
William Optics Apochromatic refractor AP 91/448 BlackCat 91 WIFD OTA (85223)
3079.62 $
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The AP 91/448 is an outstanding optical instrument that combines a compact form, attractive price, and excellent optical performance—perfect for both astrophotographers and nature photographers. Its heart is a Petzval design featuring four elements in three groups, made from premium FPL53 and FPL51 glass. This configuration produces a color-accurate, well-corrected image field with a diameter of over 55mm, making it ideal for full-frame cameras. Its fast f/4.9 aperture enables short exposure times.
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William Optics Apochromatic refractor AP 91/448 RedCat 91 WIFD OTA (85222)
William Optics Apochromatic refractor AP 91/448 RedCat 91 WIFD OTA (85222)
3079.62 $
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The AP 91/448 is a remarkable optical instrument, blending compact size, competitive price, and exceptional image quality—ideal for both astrophotographers and nature photographers. At its core is a Petzval optical design with four elements in three groups, utilizing premium FPL53 and FPL51 glass. This setup provides a color-accurate, well-corrected image circle over 55mm in diameter, perfect for full-frame cameras. The fast f/4.9 aperture enables short exposure times for sharp, detailed images.
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William Optics Apochromatic refractor AP 132/925 Fluorostar Gold OTA (65801)
William Optics Apochromatic refractor AP 132/925 Fluorostar Gold OTA (65801)
5413.37 $
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The Fluorostar features a triplet objective lens design with air gaps, crafted from premium FPL-53 ED glass by Ohara, Japan, combined with lanthanum elements. This exceptional construction guarantees outstanding color fidelity and crystal-clear images—making the Fluorostar a truly high-end instrument. Pair this apochromat with a high-quality William Optics star diagonal, and you’ll experience stellar views rarely matched by other telescopes. 
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William Optics Apochromatic refractor AP 132/925 FluoroStar Red OTA (75400)
William Optics Apochromatic refractor AP 132/925 FluoroStar Red OTA (75400)
5311.62 $
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The FluoroStar features a premium objective lens made up of three air-spaced elements, including special FPL-53 ED glass from Ohara, Japan, and lanthanum glass. This advanced triplet design ensures exceptional color correction and crystal-clear views, making this telescope a true high-end instrument for demanding astronomers. Pair this apochromatic refractor with a top-quality diagonal from William Optics and you’ll enjoy star views of remarkable sharpness rarely matched by other telescopes. 
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William Optics Apochromatic refractor AP 156/1217 Fluorostar Gray OTA (85097)
William Optics Apochromatic refractor AP 156/1217 Fluorostar Gray OTA (85097)
8765.57 $
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The FluoroStar features a top-tier objective lens comprised of three air-spaced elements, utilizing premium FPL-53 ED glass from Ohara, Japan, combined with lanthanum glass. This sophisticated triplet design ensures outstanding color fidelity and image clarity, making it a true high-end instrument. Pair this apochromat with a high-quality William Optics diagonal, and you’ll experience star views of exceptional sharpness that few telescopes can match. 
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William Optics Apochromatic refractor AP Fluorostar 120/780 Gold OTA (74017)
William Optics Apochromatic refractor AP Fluorostar 120/780 Gold OTA (74017)
4471.47 $
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The FluoroStar’s objective lens features a premium air-spaced triplet design, using FPL-53 ED glass from Ohara, Japan, combined with lanthanum glass elements. This exceptionally high-quality optical system delivers outstanding color fidelity and sharpness—making it a truly top-tier instrument. Pair this apochromatic refractor with a quality diagonal from William Optics, and you’ll enjoy stargazing with a level of clarity that few telescopes can match. 
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William Optics Apochromatic refractor AP Fluorostar 120/780 Space Gray OTA (74018)
William Optics Apochromatic refractor AP Fluorostar 120/780 Space Gray OTA (74018)
4471.47 $
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The FluoroStar’s objective lens is a high-end, air-spaced triplet featuring premium FPL-53 ED glass from Ohara, Japan, combined with lanthanum elements. This advanced optical design ensures excellent color fidelity and image clarity, meeting the highest standards for serious astronomers. Pair this apochromatic refractor with a quality diagonal from William Optics, and you’ll experience star views with a sharpness and detail rarely matched by other telescopes. 
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William Optics Apochromatic refractor AP 71/420 Gran Turismo GT 71 OTA (75650)
William Optics Apochromatic refractor AP 71/420 Gran Turismo GT 71 OTA (75650)
1110.86 $
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The Gran Turismo refractor is an apochromatic triplet telescope with an FPL-53 element, delivering outstanding color correction and high contrast. This versatile scope is designed to meet the needs of demanding observers and astrophotographers alike. When paired with an optional diagonal, the GT 71 offers stunning, high-contrast views of the Moon and planets. Its fast optics also allow you to enjoy deep sky objects—such as star clusters, galaxies, and nebulae—with crisp, pinpoint stars, making globular cluster observation and analysis especially enjoyable.
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William Optics Apochromatic refractor AP 81/478 GranTurismo 81WIFD OTA (77771)
William Optics Apochromatic refractor AP 81/478 GranTurismo 81WIFD OTA (77771)
1866.06 $
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William Optics’ GranTurismo refractors are renowned for their FPL-53 glass, offering exceptional color accuracy and high contrast. This versatile apochromatic refractor meets the demands of both visual astronomers and astrophotographers. With an optional diagonal mirror, the GT81 provides high-contrast views of the Moon and planets. Its fast optics allow for extended observation of challenging deep-sky objects—star clusters, galaxies, and nebulae—all with crisp, pinpoint stars, making globular cluster observation especially rewarding.
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William Optics ZenithStar 61 F/5,9 + Uniguide 32 Gold Package (A-ZG61IIGD-P)
William Optics ZenithStar 61 F/5,9 + Uniguide 32 Gold Package (A-ZG61IIGD-P)
1021.03 $
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Discover the cosmos with the William Optics ZenithStar 61 F/5.9 + Uniguide 32 Gold Package. This exceptional bundle combines the ZenithStar 61 refractor telescope, known for its compact and robust design, with the efficient Uniguide 32 guide scope. Ideal for budding astrophotographers, this package delivers superior performance and precise celestial observations at a budget-friendly price. Enjoy accurate tracking and guidance, ensuring your astrophotography captures the universe in stunning clarity. Elevate your stargazing and photography experience with this incredible value package.
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William Optics ZenithStar 61 F/5,9 + Uniguide 32 Space Grey (A-ZG61IITG-P)
William Optics ZenithStar 61 F/5,9 + Uniguide 32 Space Grey (A-ZG61IITG-P)
1089.17 $
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Discover the cosmos with the ASTRO-PACKAGE, featuring the William Optics ZenithStar 61 F/5.9 refractor telescope paired with the Uniguide 32 guiding scope in a sleek Space Grey finish. Perfect for both astrophotography and observation, this powerful duo offers crystal clear images and precise tracking. Whether you're capturing breathtaking photos of distant galaxies or observing celestial wonders, the ZenithStar 61 and Uniguide 32 are your ultimate tools for stellar exploration. Elevate your astronomical adventures with these exceptional instruments, designed to fuel your cosmic curiosity.
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DWARFLAB Smart Telescope AP 35/150 DWARF 3 (83412)
DWARFLAB Smart Telescope AP 35/150 DWARF 3 (83412)
641.03 $
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The DWARF 3 is a compact, intelligent telescope with a 35mm aperture, perfect for anyone curious about the cosmos. Imagine capturing stunning photos of stars, galaxies, and nebulae—all at the touch of a button, with no need for expertise or expensive gear. Thanks to cutting-edge technology, a sleek all-in-one design, and a user-friendly app, exploring the universe has never been more accessible.
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William Optics Apochromatic refractor AP 108/518 UltraCat WIFD (86137)
William Optics Apochromatic refractor AP 108/518 UltraCat WIFD (86137)
3611.17 $
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The William Optics UltraCat108 is a state-of-the-art 108mm apochromatic refractor crafted for astrophotographers who require the highest level of optical performance. With its sophisticated 5-element Petzval design and a fast f/4.8 focal ratio, the UltraCat108 delivers stunning, edge-to-edge clarity and vibrant detail, making it ideal for capturing wide, breathtaking views of the night sky. Its solid construction, exceptional optics, and unique features set a new standard in astrophotography telescopes.
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ADM Guide scope rings 125mm (67980)
ADM Guide scope rings 125mm (67980)
229.56 $
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If you want to install a guide telescope alongside your main telescope, guide rings are the simplest and most affordable solution. The PLUS 115mm guide rings provide high build quality and all the essential features for this application, making it possible to mount guide telescopes such as 80mm diameter refractors. These rings fit Losmandy-style saddles. The set includes two 125mm adjustable guide scope rings, each equipped with large Delrin-tipped thumb screws.  
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Altair Astro Guidescope MG32 (68605)
Altair Astro Guidescope MG32 (68605)
167.93 $
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The Altair MG32 mini guide scope is a compact, high-quality optical tube designed for use with the sensitive GPCAMv2 AR0130 monocular camera for direct connection, as well as most other small guide cameras with a C or CS thread at the front (CS adaptor included). Altair cameras fit directly without the need for the CS adaptor. To use, simply remove the front black connector marked "CS" from your camera and screw it onto the back of the MG32 Miniguider, so the purple part of the camera is in contact with the red rear section of the MG32.
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Antlia Filters Quad Band Anti-Light Pollution 2'' (85445)
Antlia Filters Quad Band Anti-Light Pollution 2'' (85445)
338.37 $
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The Antlia Quad Band Anti-Light Pollution Filter is designed to suppress unwanted light and enhance astrophotography results for both color and monochrome cameras. This filter allows you to capture most deep sky objects, such as galaxies, reflection nebulae, emission nebulae, and star clusters, even in highly light-polluted areas ranging from Bortle 8 to Bortle 1 skies. Its spectral transmission covers the visible light region as well as the near-ultraviolet (NUV) and near-infrared (NIR) bands.
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Antlia Filters Edge OIII 4.5nm 1,25" (85537)
Antlia Filters Edge OIII 4.5nm 1,25" (85537)
241.7 $
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The Antlia OIII EDGE narrowband filter is designed for a 4.5 nm bandwidth, offering outstanding transmission and optimized performance for astrophotography. This filter delivers a high signal-to-noise ratio and enhanced contrast, allowing you to capture finer details in faint OIII nebula structures. The Antlia OIII 4.5nm EDGE filter provides 85% transmission at the 500.7 nm wavelength, maximizing your ability to detect even the faintest nebulae. 
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Antlia Filters H-Beta - OIII 1,25" (85528)
Antlia Filters H-Beta - OIII 1,25" (85528)
210.9 $
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The Antlia HB-OIII filter features an almost complete optical density (OD4) coating at key wavelengths, with a cut-off range of 300-1000 nm. This design meets the spectral requirements of astronomical cameras and offers enhanced suppression of the infrared range. Compared to standard visual filters, which typically have an OD3 cut-off from 350-750 nm, this filter more effectively darkens the sky background, making it easier to observe and photograph deep sky objects such as nebulae, star clusters, and galaxies.
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APM Apochromatic refractor AP 140/980 SD OTA (85634)
APM Apochromatic refractor AP 140/980 SD OTA (85634)
3163.57 $
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The 140/980 Apo telescope features doublet optics with SD glass, including one lens made from FPL-53. This combination delivers top-level performance and exceptional color correction, setting a new standard in its price category. Each lens is subjected to interferometric testing to ensure the high quality typical of APM telescopes. The telescope comes equipped with a solid 3.7" focuser, designed to support heavy accessories and provide a completely vignette-free image, even with large format camera sensors. 
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Askar Apochromatic refractor AP 151/1057 151PHQ OTA (80299)
Askar Apochromatic refractor AP 151/1057 151PHQ OTA (80299)
4961.86 $
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The AP 151/1057 optics are designed as a Flatfield Astrograph with a moderate aperture ratio, offering a user-friendly experience for astrophotographers. There’s no need to purchase or fine-tune additional flatteners—simply attach any camera, focus, and the optical system is ready for imaging. This telescope uses a triplet lens design with two ED glass elements to provide excellent control over chromatic aberrations. An integrated fourth lens acts as a field flattener, supporting a 60 mm image circle for medium format CMOS cameras. 
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