This device fits on camera or enlarger lens via 3 plastic thumb screws. It allows for variable control of diffusion via a dial. The settings for diffusion are DCBAS0987654321 (see picture). It fits on a lens of up to 2 inches in diameter, or perhaps SK Grimes company can machine an adapter for larger lenses. I believe the device is called Pictrol, for short. I believe it is made almost entirely, if not entirely, of plastic. Made in USA by Arkay company of Milwaukee, Wis. $10 plus postage.
btw, the "lens" is not broken. It is supposed to look like that. Also, the mechanism is slightly stiff, but works okay if gently grasped.
Jon
btw, the "lens" is not broken. It is supposed to look like that. Also, the mechanism is slightly stiff, but works okay if gently grasped.
Jon
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