BAADER UFC FILTER DRAWER FOR M42 CAMERAS GM4000 This 3 element corrector delivers

This 3 element corrector delivers a fully illuminated and corrected field of 44mm

Multiple cooling fans on the telescope's backplate and sides of the optical tube allow the mirrors to quickly reach thermal equilibrium

04x flattener backfocus distance 85

A special 47

The Moon Eclipse magnitude 1

BAADER UFC FILTER DRAWER FOR M42 CAMERAS GM4000 This 3 element corrector deliversThe Baader UFC Universal Filter Drawer for M42 cameras is a low profile filter holder for standard 2" mounted filters (additional sizes are compatible with separate adapters). On the camera side is a male M42 x 0. 75 thread for connection to cameras with a matching female thread, as well as a female M48 x 0. 75 thread on the telescope side for connection to common field flatteners coma correctors. At only 16mm thick, the UFC is perfect for setups