List of products by brand William Optics

The William Optics RedCat 51 APO 250mm f/4.9 v1.5, SKU: L-RC51Ix, is a revolutionary apochromatic telescope manufactured in Taiwan, compact in design but with comprehensive and high-quality features. Great for both star gazers and naturalists, this telescope unveils new depths in Deep Sky astrophotography and captures stunning detail in nature photography. This innovative product is built for optimum performance, delivering incredible results consistently. Offering fine-tuned focus and uncompromising clarity, the RedCat 51 is an ideal choice for those seeking unprecedented exploration of the sky and beyond.

Experience the innovation of the William Optics RedCat 51 II APO, brought to you by the renowned Taiwanese manufacturer, William Optics. This compact apochromatic refractor telescope offers exceptional performance for both Deep Sky astrophotography and nature photography. With its 250mm focal length and f/4.9 aperture version 2.0 (L-RC51II), the RedCat 51 II promises extraordinary image quality and striking clarity. Its compact design ensures easy transportation and setup, perfect for stargazers and photographers on the go. Dive into the heavens and explore the best of what nature has to offer with the RedCat 51 II APO.

Prepare to delve into celestial beauty with the William Optics RedCat 61 mm WIFD Petzval APO Refractor in a striking red finish. This telescope is perfect for enthusiasts and professionals alike, delivering crystal-clear, detailed, and high-contrast astrophotography images. Tailored from premium materials, this compact yet powerful tool ensures astounding performance and durability. The RedCat model is renowned for its optical precision and high-quality Petzval APO architecture, enabling users to capture stellar and planetary details with absolute clarity. Uncover the mysteries of the cosmos right from your backyard with this remarkable piece of astronomical technology.

The William Optics RedCat 71 APO 350 redefines the expectations from a professional astrograph. Its 71mm APO f/4.9 design provides excellent field correction, ensuring image sharpness across the entire field of view. Unparalleled control over chromatic aberrations further enhances the visual and imaging performance of this instrument, making it ideal for astrophotography and critical observation. Its 350mm focal length offers a wide-angle view, perfect for capturing expansive celestial objects and landscapes. With a sleek, compact design and the reliability associated with the William Optics brand, the RedCat 71 APO 350 is a must-have for both amateur astronomers and seasoned professionals.

Compatible with: Z73, Z103, Z126, GT71, new 2018 GT81, and all other brand Focusers with M63 threads.

Material: Aluminium

A must-have for impeccable image quality, the William Optics FLAT7A Flattener ensures optimal performance at both the center and the edges of the frame. This revolutionary product effectively neutralizes the optical deficiencies of refractors that can cause picture distortion away from the focal point. Acting as a 'flattener', it ensures the consistency of image flatness across the frame. No matter where your subject lies within the shot, this Flattener ensures sharp, clear, and high-quality outcomes. The William Optics x0.72 Reducer Flattener 8 takes your observational or photographic endeavors to the next level of clarity, making sure every detail is captured with uncompromised precision. Product is available using SKU: P-FLAT8.

The William Optics FLAT7A Flattener, an innovative product that guarantees clarity and flatness across the entire image frame, arrives with the power to offset visual distortion that typically originates from an optical system's off-center positioning. This decreases the sharpness of the subject captured over time. Fitted with a 0.8x reducer, the FLAT7A not only tackles the distortion but also magnifies the field of view, thereby capturing more details in lesser time. This is an excellent add-on for astrophotography enthusiasts aiming for precision with their captures. With unrivaled performance in maintaining image consistency, this device is a valuable accessory for anyone invested in stellar photography. SKU: P-FLAT7A.

The ASTRO-PACKAGE bundles together the powerful William Optics ZenithStar 61 F/5.9 refractor telescope and the efficient Uniguide 32 guiding scope. This duo offers superior performance at a budget-friendly price point. It's the perfect choice for those interested in delving into the field of astrophotography. The William Optics ZenithStar features a compact yet robust design that ensures precise and clear celestial observations. Partnered with the Uniguide 32 guide scope, you can expect accurate tracking and guidance for your astrophotography pursuits. Embrace the cosmos in high-definition clarity with this valuable package.

The ASTRO-PACKAGE combines the exceptional performance of the William Optics ZenithStar 61 F/5.9 refractor telescope with the versatile Uniguide 32 guiding scope in an exquisite Space Grey finish. Ideal for both astrophotography and observation purposes, this duo delivers exceptional results. The ZenithStar 61 provides crystal clear images, while the Uniguide 32 ensures precise tracking for astrophotography. Embrace your cosmic curiosity with these unparalleled astronomy tools. Whether you're capturing stunning images of distant galaxies or observing celestial bodies, the ASTRO-PACKAGE is your trusted companion for spectacular astronomical explorations.

The William Optics Zenithstar 73 III GD / Gold is yet another masterpiece from the esteemed telescope manufacturer, William Optics. As the third generation of the Zenithstar series, it excels in offering excellent optical parameters, as well as precise and reliable craftsmanship. Its compact design does not compromise on the luminosity, providing stunningly clear views for both astrophotography and visual observation. So, whether you're capturing celestial images or simply stargazing, the Zenithstar 73 III GD / Gold is a superior choice that ensures top-tier image quality regardless of your use. (SKU: A-Z73IIIGD)

Specifically designed for astrophotographers and visual astronomers alike, the William Optics Zenithstar 81 f/6.9 APO features a groundbreaking FPL53 doublet apochromatic lens. This high-quality lens guarantees sharp, clear images regardless of your viewing requirements. Notably, the unit incorporates a 2.5" R&P focuser which enhances its focus precision capabilities. Wrapped elegantly in gold, this telescope not only performs exceptionally but also electrifies your viewing experience with its stylish and charming appeal. Our product, available under SKU: A-Z81GD, is an authentic and remarkable instrument that promises you an immersive exploration of the universe from the comfort of your location. Experience exceptional craftsmanship, meticulous design, and attention to detail that is the hallmark of all William Optics products.

Presenting the William Optics ZS61 ED refractor, an optical masterpiece that uses a synthetically made doublet of fluorite to provide top-tier functionality equal to pricier APO triplets. This advanced telescope provides superb performance at a more accessible price. The heart of this device houses every passionate astronomer's dream - a two-element lens featuring FPL53 glass noted for its high index of refraction and low dispersion properties. It has a 61mm diameter and a speedy focal ratio of f/5.9, facilitating vivid, clear imaging of celestial bodies. This ZS61 ED refractor is more than just a piece of equipment; it's a state-of-the-art contraption that makes the cosmos feel within reach.

The William Optics Zenithstar ZS 61 II APO is an exceptional refractor telescope, featuring a synthetic fluorite doublet that delivers superior performance at a competitive price. This high-grade instrument competes with pricier APO triplets in terms of optical excellence. Its heart lies in the two-element lens, measuring 61mm in diameter, integrated with high-quality FPL53 glass. This combination ensures excellent light transmission and high-resolution viewing, sporting a focal ratio of f/5.9. Furthermore, this model is equipped with a 2-inch rack and pinion focuser to facilitate easy adjustments. Its sleek space gray exterior adds to its overall aesthetic appeal. Its SKU number is A-Z61II. Invest in this high-performance telescope for a stargazing experience like never before.

The William Optics ZenithStar ZS 61 II APO is a high-precision refractor designed for those seeking superior optical capability at an exceptional value. This model features a doublet APO FPL53, a 61mm f/5.9 objective lens, and a robust 2" R&P focuser. The use of synthetic fluorite in the construction makes it comparable to its expensive APO triplet counterparts, making it ideal for astrophotographers seeking high-quality data capture at a lower cost. The Z61, touted as a game-changer, combines affordability with performance like never before. Encased in a stunning red finish, this refractor doesn't skimp on style either, making it a top-tier choice for any astronomy enthusiast.