

The 6 x 9cm format would normally result in a lens of 10.5cmįocal length being used, but this example uses a Zeiss Jena Tessar ofĩ.5cm giving a usefully wider view. Closure is started by pressing rearwards on the down braces, unlocking them to allow the hatch to be pressed closed. In common with other spring driven self erecting types, the opening should be restrained to allow the bellows to fill with air gently, or risk sucking the film into the bellows, ruining the focus. Into place when the release button is pressed. That is the lens is deployed by a spring and locks firmly It was common practice for Zeiss to stamp the exact model number into the covering near the hinge so identifying Zeiss cameras is fairly straightforward. The Zeiss Ikonta 520 series was available from 1930 and there are quiteĪ few shutter and lens combinations. Zeiss Ikon, Ikonta C 520/2, 120 folding roll film camera,
