Pentax's mechanical-only K-mount SLR — the KM predecessor to the K1000.
The Pentax KM is a 35mm film SLR from Pentax, released approximately 1975 as the first camera in the Pentax K-mount system. Fully mechanical shutter with TTL open-aperture metering. The KM launched the Pentax K bayonet mount that continues to the present day. Pentax K mount.
35mm film SLR. All-mechanical shutter to 1/1000s (battery-free shutter operation). TTL open-aperture metering (battery dependent). All-metal construction. At approximately 620g. Pentax K mount.
The KM (and its companion KX) introduced the Pentax K bayonet mount in 1975, replacing the M42 screw mount. The all-mechanical design provides reliable operation without battery. The KM is compatible with all Pentax K-mount lenses from 1975 to present.
On the used market the Pentax KM is a classic mechanical Pentax K-mount film SLR. Condition checks: shutter at all speeds including 1/1000s, meter operation, advance lever, body condition. Pentax K mount — the first K-mount Pentax camera.