Nikon MC-36A flash but that's not the case:

but that's not the case: you can use this lens on anything with an M mount

lever winding

Nikon's classic FM is a manual-focus 35mm SLR camera with fully mechanical shutter speeds from 1s to 1/1000s

with a hard-edge style transition at the centre

which is long

Nikon MC-36A flash but that's not the case:The Nikon MC 36A is a sophisticated wired remote control for Nikon cameras with 10 pin connectors. It'll fire the shutter when you mash the button, as you might expect, but it also works as an intervalometer and a timer, and allows you to select exposure times of up to nearly 100 hours. In excellent condition. Note: This inventory image shows a Nikon MC 36. Actual item will vary slightly, in the sense that it'll be an MC 36A.