List of products by brand William Optics

William Optics adjustable flattener for Z61 (P-FLAT61A)

247.8 $

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The William Optics Flattener designed for the Zenithstar 61 optical tube guarantees consistent image quality and flatness across the entire frame. This flattener effectively counteracts the optical distortions caused by the refractor's lens, ensuring sharpness remains uniform from the center to the edges of the image.

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William Optics Adjustable Flattener Reducer Flat73R for ZenithStar 73

376.98 $

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The flattener serves as a corrective lens to rectify the slight curvature introduced by the primary optics, ensuring uniform field illumination. This curvature often causes stars at the field's edge to appear less sharp. Also known as a field flattener, this accessory eliminates this effect, enabling astrophotographers to capture sharp stars throughout the entire exposure.

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William Optics AP 73/430 Super ZenithStar 73 Gold OTA Apochromatic refractor

706.45 $

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William Optics’ ZenithStar series presents compact yet exceptionally high-quality apochromatic refractors, perfectly suitable for pairing with DSLR cameras. These refractors enable the capture of stunning wide-angle images of expansive star fields. When coupled with an optional flattener, they deliver a corrected image field spanning 45 millimeters to the edges.

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William Optics AP 81/478 Gran Turismo 81 IV OTA Apochromatic refractor

1697.78 $

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The Gran Turismo refracting telescope boasts an apochromatic triplet design with an FPL-53 element, ensuring exceptional color purity and high contrast. This versatile telescope is a comprehensive solution for various astronomical pursuits.

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William Optics AP 81/559 ZenithStar 81 Red OTA Apochromatic refractor

1269.75 $

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The William Optics ZenithStar line offers compact yet high-quality apochromatic refractors, perfect for DSLR camera use. These scopes excel at capturing wide-angle images of expansive star fields. When paired with an optional flattener, they deliver corrected imagery across a 45-millimeter diameter, right to the edges.

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William Optics Diagonal prism RedCat 90° 1,25"

141.04 $

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This 1.25" 90-degree erecting prism is highly useful for daytime observations with the William Optics Apochromatic refractor AP 51/250 RedCat 51 OTA.

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William Optics Dura Bright 1.25" 90° mirror star diagonal

141.04 $

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This mirror-type star diagonal features dielectric mirror coatings for 99% reflectivity, ensuring heightened contrast and resolution, particularly for critical planetary, lunar, and binary star observations.

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William Optics Erecting Finder 50mm 1.25"

211.56 $

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Utilizing a finderscope significantly enhances celestial object location compared to using the telescope alone, thanks to its wider field of view. Unlike the telescope's limited visual field, the finderscope presents a broader section of the sky, simplifying alignment.

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William Optics Expandable 1:10 Micro gear for Synta focuser

126.52 $

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Upgrade your W.O. Synta focusers and W.O. Newtonian focusers with this two-speed 1:10 micro-focuser retrofit.

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William Optics Flattener 6AIII (P-FLAT6AIII)

227.13 $

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The William Optics Flat 6A III Flattener is a versatile accessory designed to ensure consistent image quality across the entire frame, eliminating distortions caused by the refractor's optical system. This flattener maintains sharpness from the center to the edges of the frame, preserving the "flatness" of captured objects.

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William Optics Flattener Flat73A for ZenithStar 73

272.07 $

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The flattener serves as a lens to level the field, addressing the slight curvature caused by primary optics. This curvature often results in less sharp stars at the field's periphery. Also known as a field flattener, it remedies this, ensuring astrophotographers capture sharp stars across the entire frame.

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William Optics flattener for P-FLAT68III do FLT156 / FLT132 / GT102 and al.

638.78 $

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The William Optics FF68III is an adjustable field flattener tailor-made to enhance your stargazing experience. This superior-quality optical accessory is designed to fit with refractor telescopes within the 6-7.5 light range, including the popular models FLT156, FLT132, and GT102. Specially crafted for exceptional clarity, it aids in reducing distortion to produce sharper images. It's ideal for those serious about their astronomy, guaranteeing detailed and corrected images of celestial objects. With its advanced flattening capabilities, you can enjoy the truly flat field necessary for astrophotography. Experience a new level of astronomical observation and photography with the innovative design and precision performance of the William Optics FF68III.

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William Optics Fluorostar 120 (aka FLT-120) RD / red OTA (SKU: A-F120RD-RP33)

3500 $

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The William Optics Fluorostar 120 F/6.5 APO, also known as the FLT-120, is a new and exciting offering from the highly reputed Taiwanese manufacturer, William Optics. Set to launch in Fall 2021, this remarkable red OTA (Optical Tube Assembly) is part of the premium series of products from the brand. With its superior optics and high-quality construction, the Fluorostar 120 is ideal for astrophotographers and serious astronomers seeking exceptional precision and performance. The SKU number for this product is A-F120RD-RP33. Ready to enhance your sky gazing experience? The William Optics Fluorostar 120 is soon to be at your disposal.

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William Optics Fluorostar 132 F/6,9 APO R&P37 grey (aka FLT 132, SKU: A-F132TGIV-RP37)

4300 $

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The William Optics Fluorostar 132 F/6.9 APO, also referred to as FLT 132, is a premium imaging instrument that has gained credibility and recognition among stargazers and astro-photographers globally. This particular product, SKU: A-F132TGIV-RP37, is the eminent fourth generation of this reputable line, released in 2021. A significant upgrade from the previous versions is the addition of a larger 3.7-inch diameter lift, tailored toward advanced astrophotography performance. It's grey color gives it a sleek, modern appeal. For those seeking superior clarity and detail in their space imagery, the Fluorostar 132 F/6.9 APO delivers unmatched quality.

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William Optics Fluorostar 156 APO Red (AKA FLT 156, SKU: A-F156-RP37)

7400 $

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The William Optics Fluorostar 156 APO in red, also known as the FLT 156 and SKU: A-F156-RP37, is a top-of-the-line refractor telescope that stands out in its class. Exclusively created for astrophotography, it offers unmatched image quality, significantly diminishing chromatic aberration and distortion. Crafted with an unparalleled level of precision, using superior materials, the experts at William Optics have generated this masterpiece to meet and exceed the highest standards. It competes effortlessly with the most state-of-the-art and high-cost models currently on the market, providing not just outstanding performance, but also tremendous value. This telescope symbolizes the ultimate commitment to quality and craftsmanship synonymous with the William Optics brand.

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William Optics Fluorostar 91 (aka FLT-91) RD / red OTA (SKU: T-FLT-91RD-RP33)

2200 $

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The William Optics Fluorostar 91 (FLT-91) presents a masterful amalgamation of high-quality materials, exceptional craftsmanship, and elite design. Created specifically for astrophotography aficionados, this Optical Tube Assembly (OTA) features stellar image clarity that outmatches most telescopes in its category, thanks to its superior capability to mitigate optical aberrations. This advanced refractor owes its exceptional optical superiority to a phenomenal Strehl coefficient of over 0.95 - a testament to the relentless attention to detail paid by the William Optics team. Order this cutting-edge instrument and experience a new standard in astrophotography. The product is featured in a striking red design and is known by the SKU T-FLT-91RD-RP33.

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William Optics Fluorostar 91 (aka FLT-91) SG / space grey OTA (SKU: T-FLT-91)

1995.87 $

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The William Optics Fluorostar 91, also known as FLT-91, sets the standard for performance in the realm of astrophotography. This optical marvel, offered in a sleek space grey OTA, is renowned for providing unparalleled image quality far exceeding that of comparable telescopes. Every single aspect, from the choice of superior materials to the outstanding precision in its assembly, alludes to the high standards of William Optics. This refractor outshines other models in optical prowess, evident from its extraordinary Strehl coefficient, which is over 0.95. A truly unrivaled masterpiece, the Fluorostar 91 fuses exceptional construction with efficiency, making it a favorite among astronomers and photography enthusiasts alike.

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William Optics Focusing Mask Bahtinov 172-235mm

158.7 $

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The etched pattern on these masks forms a diffraction structure that shines approximately three times brighter compared to traditional metal masks. As a result, our acrylic glass masks yield a clearer diffraction pattern, facilitating focusing even with fainter stars.

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William Optics Focusing Mask Bahtinov 243-308mm

140.15 $

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Featuring an imprinted pattern, these masks create a diffraction structure that shines approximately three times brighter compared to traditional metal masks. Consequently, the acrylic glass masks yield a clearer diffraction pattern, facilitating focusing with the assistance of fainter stars.

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William Optics Gran Turismo GT 71 AP Astro Package Red (SKU: A-F71GTII-RD-AP)

1028.51 $

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Meet the superior quality William Optics Gran Turismo GT 71 II, a remarkable Astro Package finished in an eye-catching red color. A leader in the compact apochromat world, it features an exceptional design with accents of red and white, giving it a visually stunning aesthetic. Beyond its looks, this powerful little device boasts unparalleled color correction and image sharpness. Providing precision and clarity, the Gran Turismo GT 71 II outperforms its rivals in both design and function. SKU: A-F71GTII-RD-AP. Upgrade your stargazing experience with this top-notch appliance.

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William Optics Gran Turismo GT 81 IV (three element APO FPL53 81 mm f/5,9, 2,5" R&P, color: red, SKU: A-F81GTIVRD)

1300 $

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Stand out in your astrophotography with the impressive William Optics Gran Turismo GT 81 IV. This three-element apochromatic refractor employs premium quality FPL-53 glass for extraordinary image clarity and visual excellence. It features an 81mm diameter and a rapid f/5.9 light intensity, making it perfectly equipped for capturing the majesty of the cosmos. It also comes with a 2.5" R&P (rack and pinion) drive for smooth focus adjustment. Presented in an eye-catching red design, the Gran Turismo GT 81 IV not only performs remarkably well but also looks stunning. This masterpiece of telescopic innovation is perfect for those looking to take their astrophotography to dazzling new levels. SKU: A-F81GTIVRD.

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William Optics Gran Turismo GT 81 IV (three element APO FPL53 81 mm f/5,9, 2,5" R&P, Space Gray, SKU: A-F81GTIV)

1358.47 $

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The William Optics Gran Turismo 81 IV is an elite choice for those passionate about astrophotography. This high-quality refractor houses a three-element APO FPL53 with an 81mm f/5.9 lens, delivering magnificent clarity that enriches your stargazing experience. It features a 2.5" R&P, offering unparalleled sharpness and brightness with limited chromatic aberration. Coated in a sleek Space Gray colour and identified SKU: A-F81GTIV, this elegant telescope beautifully marries refined aesthetics with high functionality. Make your astronomy experience unforgettable with this expertly crafted and durable device from the esteemed William Optics brand.

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William Optics Gran Turismo GT 81 WIFD Red (SKU: T-GT81RD-WIFD)

1740 $

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The William Optics Gran Turismo GT 81 WIFD red model is a highly compact and remarkable apochromat, tailor-made for passionate astrophotography enthusiasts. With the integration of up-to-the-minute advancements in optical technology, the GT 81 offers high performance and high-resolution images of celestial objects. The model's unique selling point is its patented WIFD (William Optics Internal Focus Drive) system, providing an internal focus solution for drastically improved focusing accuracy. This telescope delivers quality and excellence in terms of detail, contrast, and color, standing out from the competition. Its red color adds a visually pleasing aesthetic. Item number for your reference: T-GT81RD-WIFD.

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William Optics Guidescope AC 50/200 RotoLock Gold OTA

144.07 $

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The guidescope aligns parallel to the main telescope tube, ideally using guide scope rings for easy adjustment. This setup allows for seamless connection of a camera to the guidescope's camera end, enabling automatic tracking control by the mount for capturing long-exposure night sky images.

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