Konica's motorised FS-1 — aperture-priority AE SLR with built-in winder, AR mount, 1979.
The Konica FS-1 is a 35mm film SLR made by Konica and introduced in 1979 using the AR bayonet mount. It is notable as one of the early SLRs to build a motorised film advance into the body itself rather than as an accessory, marking a shift in Konica's design. It sits as a mid-range enthusiast camera of its era.
It is a single-lens reflex for 35mm film using the Konica AR bayonet mount. The FS-1 has a built-in motorised film advance and offers aperture-priority automatic exposure with through-the-lens metering, alongside manual control. It uses an electronically controlled shutter and relies on battery power to operate its metering, automation and motorised advance. The integrated motor loads and winds film without a separate drive.
The FS-1 suits general, travel, street and student use for photographers who want automatic film advance and aperture-priority exposure in one body. The built-in motor removes the need to wind between frames, which speeds up shooting. Its strengths are integrated automation and convenience; its limits are full battery dependence and the added complexity of the internal motor.
For used buyers, this is an electronically dependent body, so confirm it powers up and that the motorised advance runs correctly, since motor and electronics faults are the common failure point on these cameras. Check the foam light seals and mirror-damper foam, test the shutter and meter, and inspect the battery compartment for corrosion. Verify film loading and the auto-advance cycle work end to end, and check the prism and screen for haze; a flat or failing battery leaves the camera unusable.