William Optics MiniCat 51 Ultra Portable Astrograph

Meets the latest addition to the Cat Family - the MiniCat51.

The Minicat51 is a versatile and powerful tool for Astrophotography enthusiasts. It offers superior-quality optics in a sleek and portable optical tube.

The f/3.5 focal ratio lets you record data at super-fast speeds - twice as Fast as the RedCat 51!

Its 6-element optical design with two ED glass elements makes it an excellent choice for use with APS-C or smaller sensors. (It can also be used with a full-frame sensor, though star shapes at the edge of the field will need software enhancement during processing.) 

The high optical performance delivers images with excellent colour correction and sharpness.

William Optics' patented WIFD focuser moves all lens elements internally to achieve focus. This means there is no drawtube to rack in or out, ensuring no image tilt and minimal backlash. The WIFD focuser is compatible with the ZWO EAF (no need for a third-party autofocus kit) and other popular motor focusers.

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Specifications