Nikon FA with 50mm f1.8 AI-S Nikkor lens mount_Praktica Electronic body and back are fully

body and back are fully tested and working like a charm

What does 1891 mean

No on/off switch: this one's hot all the time

Shutter speeds and rangefinder are accurate

Nikon FA with 50mm f1.8 AI-S Nikkor lens mount_Praktica Electronic body and back are fullyNikon'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