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Redcat 91 review by AstroBackyard

Friday, January 3, 2025 by Richard Harris

The William Optics RedCat 91 is an apochromatic refractor designed for astrophotography. Its 5-element Petzval design eliminates the need for backfocus adjustments, providing sharp, edge-to-edge images. The telescope is compatible with full-frame and medium-format cameras, offering a 50mm image circ...

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RedCat 91 WIFD arrives from William Optics

Sunday, November 24, 2024 by Richard Harris

William Optics has announced the launch of the RedCat 91 WIFD, an advanced apochromatic refractor telescope designed to elevate the astrophotography experience for both amateurs and professionals. This latest addition to the esteemed Cat series combines cutting-edge optical performance with innovati...

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