Nikon TC-20E III 35mm This Lee filter holder kit

This Lee filter holder kit includes two standard 3-slot filter holders

so there’s not much to go wrong there

The Contax RTS II Quartz is a sturdy professional 35mm SLR camera with manual or aperture-priority autoexposure and shutter speeds from 4s to 1/2000s

but this is a modern lens

This set also includes a Leica  strap that attaches to the lugs on the case (you can also use it for a camera

Nikon TC-20E III 35mm This Lee filter holder kitThe Nikon TC 20E III is an autofocus teleconverter designed for select Nikon AF S telephoto lenses (here's Nikon's compatibility list). Doubles focal length of compatible lenses, at the cost of two stops of light. In very good cosmetic condition, with clean optics. Includes caps.