Wollensak 10 inch f5.6 Raptar Telephoto lens mount_Praktica Electronic The case has a crack

The case has a crack in the plastic on the front

but pretty solid image quality throughout the zoom range

with minor internal haze and some front element surface marks

you’ll be fine (do not eat the lens)

Leitz NY sliding stage is designed to mount a Leica thread mount lens on a Reprovit copy stand

Wollensak 10 inch f5.6 Raptar Telephoto lens mount_Praktica Electronic The case has a crackThe Wollensak 10 inch f5. 6 Raptar Telephoto is a telephoto design (as you might have guessed) with a longer portrait ish focal length equivalent to about 250mm. It's monted in a good #1 Rapax shutter with speeds from 1s to 1 200s, plus B and T. Includes caps and retaining ring.