Nikon TC-1 2x teleconverter for Nikon F lens mount_Pentax Auto 110 Konica Hexar AR 28mm f3

Konica Hexar AR 28mm f3

) The rear portion of the lens can be detached and used as a close-up filter

smooth focusing

6x for APS-C and  Micro Four Thirds

This is Double 8 film for older-style movie cameras (the kind you wind up)

Nikon TC-1 2x teleconverter for Nikon F lens mount_Pentax Auto 110 Konica Hexar AR 28mm f3Nikon TC 1 2x teleconverter for Nikon F mount lenses. This is a manual focus teleconverter, but it can be used with many autofocus lenses which have an aperture control ring (note that the focusing function will still be manual). Aperture coupling is pre AI pin style. In excellent working order, with some cosmetic wear on the barrel and mount.