Leitz Elmar-C 90mm f4 quick release The Yashica Tele-Wide finder is

The Yashica Tele-Wide finder is a good quality optical viewfinder with framelines for approximately 38mm and 60mm lenses

it does what it does very well

Fujicas use a modified M42 mount that is compatible with standard M42 lenses

this lens provides a useful wide-standard view that's ideal for day-to-day shooting (field of view is approximately equivalent to a 32mm lens on a full-frame or 35mm camera)

Ednalite #659 adapter to use Series VI filters on Rolleiflex cameras with a Bay 2 filter mount

Leitz Elmar-C 90mm f4 quick release The Yashica Tele-Wide finder isThe Leitz Elmar C 90mm f4 lens is a compact short telephoto lens for M mount, originally designed for use on the Leica CL, but fully compatible with any M mount camera. Smooth focusing, good diaphragm, very very light edge haze which will not affect imaging, one small internal polishing mark visible under very bright light (which will also affect nothing)