The Canon Canonet G-III QL17 is a coupled-rangefinder, leaf-shuttered, fixed-focal-length 35 mm camera first manufactured by Canon in 1972. It features full shutter-priority automatic exposure and full manual shooting modes.
The Canonet G-III is the third generation of Canonet, following the original Canonet and the New Canonet.
The G-III features a 40 mm f/1.7 with six elements in four groups. The integrated lightmeter provides shutter priority and manual modes. The sensor is located on the forward part of the lens, which allows use of filters without manual compensation of exposure.