Mamiya's bayonet SLR — the NC1000, aperture-priority auto, electronic shutter, CS mount, 1976.
The Mamiya NC1000 was an electronic 35mm film SLR made by Mamiya using the Mamiya CS bayonet mount. It marked Mamiya's move away from the M42 screw mount to a dedicated bayonet with electronic exposure automation. It was aimed at enthusiasts wanting aperture-priority automation in a modern body, and its CS mount separates it from the earlier M42 Mamiya SLRs.
It is a 35mm single-lens-reflex camera on the Mamiya CS bayonet mount. The focal-plane shutter is electronically timed, so the body needs battery power to fire across its automatic range. Metering is TTL centre-weighted, and the main exposure mode is aperture-priority automatic, with the camera setting the shutter speed, alongside manual control. The viewfinder shows exposure information for the automatic system. Because the shutter is electronic, correct battery power is required for reliable operation.
This body suits general, portrait and travel photography for users who want automatic exposure in a bayonet-mount Mamiya. Its aperture-priority automation keeps handling simple, which also makes it approachable for students, though the CS mount has a smaller lens selection than the universal M42 system used by Mamiya's earlier bodies.
For a used purchase, test the electronics carefully, confirming the meter and aperture-priority automation respond correctly, since this is an electronically timed body. Check foam light seals and mirror-damper foam for perishing, verify shutter behaviour across the range without capping, and test film advance and rewind. Look through the finder for prism haze, confirm the battery type and that the camera powers up dependably, and remember that an electronic body will not fire with dead batteries. Note the CS mount lens availability is more limited.