Nikon BR-2A reversing ring with 52mm thread. lens mount_Minolta MD Quick and easy to use:

Quick and easy to use: just set focus and hit the button

tossing weird new model numbers into the mix for some reason

5 Carl Zeiss Jena Tessar lens is in good shape

The RMC Tokina 500mm f8 lens is a very compact mirror lens with a big reach

For stills or video use

Nikon BR-2A reversing ring with 52mm thread. lens mount_Minolta MD Quick and easy to use:Nikon BR2A reversing ring with 52mm thread Nikon F mount. Allows you to flip your 52mm threaded lens around backwards for close up work. This "A" version is designed for use on autofocus cameras: it's machined a tiny bit thinner at certain spots on the mount to safely clear your camera's electronic contacts.