Nikon FA lens mount_Bronica GS1 though it appears that the

though it appears that the tiny viewfinder mirrors have become unglued in the roughly 90 years since the camera was made

The Canon EOS-1N is a professional 35mm film camera for use with Canon EF lenses (sold separately)

The back's insert is non-matching

The Cotton Carrier system is a solid

with better sharpness stopped down very slightly

Nikon FA lens mount_Bronica GS1 though it appears that theNikon's sophisticated Matrix metering system started here, in the normal looking Nikon FA. It looks like your average manual focus SLR, but even if you set aside the Matrix metering, there's a lot going on: shutter speeds to 1 4000s, a 1 250s flash sync speed, Program, aperture priority & shutter priority automation, TTL flash control, and plenty of other behind the scenes shenanigans that make this the most ambitious manual focus camera that Nikon