WILLIAM OPTICS REDCAT 51-III WIFD f/4.9 REFRACTOR BF25 75 threads and M48×0

75 threads and M48×0

with a central RMS radius of only 3 microns

tracking or pointing objects

The Double telescope option is compatible with all the plates used on the GM3000 series

The Takahashi TKA19203 Multi CA Ring 100 has M52 x 0

WILLIAM OPTICS REDCAT 51-III WIFD f/4.9 REFRACTOR BF25 75 threads and M48×0The William Optics RedCat 51 III WIFD brings the new internal focusing mechanism to one of the most popular telescopes ever. This makes it simple to install autofocusers such as the ZWO EAF without the need for clumsy belt driven add ons. The RedCat 51 III features the same excellent Petzval optics as its predecessor, but the addition of the WIFD focusing mechanism makes the whole package more stable, precise and far easier to use. Unlike the previous