Yashica Auto Yashinon DS-M 50mm f1.7 for M42 brand_Horseman The Hasselblad ProShade 6093 is

The Hasselblad ProShade 6093 is an extending lens shade for Hasselblad lenses

good diaphragm action

) APS-C format DSLR compatible with Canon EF and EF-S lenses (sold separately)

It uses 8 AA batteries and includes a bracket to attach the flash to your camera

This a very early double-stroke model from 1955

Yashica Auto Yashinon DS-M 50mm f1.7 for M42 brand_Horseman The Hasselblad ProShade 6093 isThis Yashica Auto Yashinon DS M 50mm f1. 7 lens is in very good cosmetic condition, with minor paint and finish wear. The glass is clean, focusing action is pretty decent, and the diaphragm is snappy. Not the nicest, but good. For M42 mount.