type of film Roll film 120 / 220 photo format 6 x 9 [cm] lens (GW690III) Super EBC Fujinon 3.5/90 mm, 5 lenses / 5 groups lens (GSW690III) Built-in EBC Fujinon SW 5,6 / 65mm, 6 lenses in 4 groups, angle of focusing Manual; mixed picture rangefinder 93%, at infinity 90%, base line: 59 mm (effective base line: 26.6 mm) shutter (GW690III) Central shutter size 0 shutter speed 1 to 1/500 sec und T flash On accessory shoe (X-contact) attachable dimensions (GW690III) (w x h x d) 201 x 129 x 119 mm dimensions (GSW690III) (w x h x d) 201 x 132 x 119 mm weight (GW690III) 1,460 g weight (GSW690III) 1,510 g
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