SMC Pentax-M 200mm f4 format_8x10 The Nikon DR-6 is a

The Nikon DR-6 is a right-angle viewfinder for cameras with a slip-on viewfinder eyepiece mount (like the D750 and D610)

These Wimberley quick release plates are designed for lenses

Originally designed for 122 rollfilm- a format which was discontinued in 1971

with Manfrotto's RC2 quick-release system

old and new (sold separately)

SMC Pentax-M 200mm f4 format_8x10 The Nikon DR-6 is aThe SMC Pentax M 200mm f4 lens is a good quality telephoto lens for Pentax K mount cameras. Reasonably compact for a 200mm, with a nifty built in lens hood. In excellent condition overall, with very minor cosmetic paint wear, clean glass and good function.