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Goerz Frontar 90mm f/8
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PostPosted: Thu Mar 23, 2023 8:28 am    Post subject: Goerz Frontar 90mm f/8 Reply with quote

A lens out of a Zeiss Ikon folding camera.
The Frontar is a single lens element with low speed. In the camera it has an aperture revolver but I gave the lens a diaphrame aperture of an Industar 50mm lens and a Helicoid of a very old Schneider Componar and a T2 screw mount socket.
The max. speed of the lens is now f/6.5 and for this sample I used f/11
Kentmere 400, Moersch ECO developer, Nikon F801s