Nikon TC-20E film camera the bar has a movable

the bar has a movable tripod mount with a 1/4"-20 interior thread for mounting to your tripod

compact TTL flash compatible with modern Nikon DSLR and mirrorless cameras

and sharpens up nicely by f2 if you've decided you're buying an f1

This lens is designed for the Canon EF mount

It accepts eight AA batteries (not included) and connects via a coiled cable to the external power socket of the SB900/910 for faster recharge times and longer life than the four built-in batteries

Nikon TC-20E film camera the bar has a movableThe Nikon TC 20E is an autofocus teleconverter designed for select Nikon AF I and AF S telephoto lenses (here's Nikon's product page with details). Doubles focal length of compatible lenses, at the cost of two stops of light. In excellent condition, with very minor cosmetic wear.