The Ricoh XR-1 was the first k-mount SLR camera from Japanese camera producer Ricoh. It was introduced in 1977, and operated with 35mm film. The XR-1 was a completely manual camera, in comparison to the XR-2 which also included autoexposure. The XR-1 and XR-2 required 2x 1,5 G13 (aka LR44) silver oxide flat batteries to power built in CdS light meter.
The XR-1 is fitted with an x-synced hot shoe on top of the body, and an additional x-sync port on the left side of the body, to cater for time-era hand held separate flash with flash cord. The x-sync shutter speed is marked in red on the selector knob, 1/125 sec.
The XR-1 cost $139,95 with the standard XR Rikenon 50 mm f/2 lens when sold by New York Camera according to advertisement in Popular Photography January 1981.
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