Kodak Retina IIIC with Schneider Retina-Xenon 50m f2 lens mount_Olympus Pen 5 Micro-Nikkor-P was originally a

5 Micro-Nikkor-P was originally a pre-AI lens

a sideways rewind crank

Canon Eye Level Finder FN for the Canon New F-1

with only minor wear from careful use

The Nikon TC-17EII is an autofocus teleconverter designed for select Nikon AF-S telephoto lenses (here's Nikon's compatibility list)

Kodak Retina IIIC with Schneider Retina-Xenon 50m f2 lens mount_Olympus Pen 5 Micro-Nikkor-P was originally aThe Kodak Retina IIIC is a high quality 35mm rangefinder camera with a coupled rangefinder and built in lightmeter. This IIIC has a clean Schneider Kreuznach 50mm f2 Retina Xenon C lens and accurate metering and shutter systems and it's in excellent cosmetic condition, too, with only minor wear (a scratch on the back of the top panel is the most visible.) It's still a Retina, so it's still weird the winder in on the bottom, for example but this model