Nikon Series E 50mm f1.8 lens mount_Mamiya NC that's not an AR-10

that's not an AR-10

Canon OA-2 off-camera shoe adapter for off-camera TTL flash control with compatible EOS connecting cords and shoe adapoters (not included)

with smooth mechanical action and good bellows

It won't hold the Contarex

Shoots up to 72 vertical half frame images on a roll of 36 exposure film- definitely an economical proposition

Nikon Series E 50mm f1.8 lens mount_Mamiya NC that's not an AR-10The Nikon Series E 50mm f1. 8 lens is a compact almost pancake lens (french toast lens?) with a fast f1. 8 aperture. It is compatible with film and digital Nikon F mount cameras (though function will vary). In excellent condition, with minor cosmetic wear, minor internal dust, smooth focusing and good diaphragm action.