Vixen SD Flattner HD Kit (59952)
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Vixen SD Flattner HD Kit (59952)
572.26 $
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The Vixen SD Flattener HD Kit is designed for astrophotographers who want to achieve ultra-sharp images across the entire field when using DSLR cameras with full-frame sensors. This kit is specifically made for use with Vixen’s SD81S, SD103S, and SD115S optical tubes. It includes a high-performance flattener lens and the necessary connecting rings (Spacer Ring SD81 and EX Tube 66) to ensure compatibility and optimal performance.
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Vixen SD Reducer HD Kit (59953)
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Vixen SD Reducer HD Kit (59953)
955.06 $
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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)
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Vixen Teleconverter Extender PH Kit for R200SS (83404)
1146.44 $
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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)
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William Optics Apochromatic refractor AP 51/250 RedCat WIFD OTA (82930)
2097.64 $
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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)
2688.9 $
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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)
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William Optics Apochromatic refractor AP 91/448 BlackCat 91 WIFD OTA (85223)
6296.74 $
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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)
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William Optics Apochromatic refractor AP 91/448 RedCat 91 WIFD OTA (85222)
6296.74 $
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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)
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William Optics Apochromatic refractor AP 132/925 Fluorostar Gold OTA (65801)
11068.45 $
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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)
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William Optics Apochromatic refractor AP 132/925 FluoroStar Red OTA (75400)
10860.4 $
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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)
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William Optics Apochromatic refractor AP 156/1217 Fluorostar Gray OTA (85097)
17922.53 $
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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)
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William Optics Apochromatic refractor AP Fluorostar 120/780 Gold OTA (74017)
9142.58 $
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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)
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William Optics Apochromatic refractor AP Fluorostar 120/780 Space Gray OTA (74018)
9142.58 $
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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)
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William Optics Apochromatic refractor AP 71/420 Gran Turismo GT 71 OTA (75650)
2271.33 $
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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)
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William Optics Apochromatic refractor AP 81/478 GranTurismo 81WIFD OTA (77771)
3815.44 $
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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)
1715.9 $
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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)
1830.42 $
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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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