Manual focus UV-mount 35mm SLR camera released by Topcon in 1964. It was one of the first auto-exposure SLR cameras to feature TTL metering. It has a center-weighted CdS meter with a needle in the viewfinder. It uses a 1.35v mercury battery. It has a leaf shutter in front of the mirror instead of a standard focal plane shutter. Metal body available in silver and black.

• Shutter: Seikōsha, leaf, 1s - 1/500 + B
• ISO: 25 - 400
• Size: 139 x 94 x 66 mm
• Weight: 718g