Pentax 6×7 top left

Pentax 6x7 top left

The frame counter selector switch chooses between 120 mode and 220 mode. Note the accessory lug on the front of the body, just next to the 6×7 logo. These are used to attach straps, grips, flashes and other accessories. (Daniel J. Schneider)

The frame counter selector switch chooses between 120 mode and 220 mode. Note the accessory lug on the front of the body, just next to the 6×7 logo. These are used to attach straps, grips, flashes and other accessories. (Daniel J. Schneider)