William Optics MiniCat 51 WIFD f/3.5

The MiniCat51 is a versatile and powerful option for astrophotography enthusiasts, offering superior optics in a sleek, portable design. Its WIFD focuser and 6-element optical design ensure top-tier performance with excellent color correction and sharpness.

Focal Length: 178mm
Diameter: 51mm
Aperture: f/3.5
Focuser: WIFD (WO Internal Focus Design), Patented (Compatible with EAF)
Image Circle: 43.2mm
Weight: 1.67kg (OTA only)
Optical Design: 6 elements in 2 groups