Graflex Speed Graphic lens board for Industar-37
thingiverse
This is a remix of Lens plates for Speed Graphics by b2vn to fit a Soviet 300mm Industar-37 lens to a Graflex Speed Graphic 4x5 camera. As the maximum bellows extension of the Speed Graphic is about 300 mm it's not possible to achieve a focusing distance less than infinity with a 300mm lens when using a regular lens board so one with an extension tube is required. I added an extension of 70 mm which allows minimum focus distance of about 2 meters. I didin't even try to print the 80x0.75 mounting thread but the lens fits very nicely and the ridges from the printing process act as a kind of "thread" holding it very securely.
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