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Fisheye from (Russian) door viewer?

Some time ago I found an superb quality door viewer (the kind you put in a door to see who is outside) that was made in Russia. The optics were far, far better than the cheap plastic ones found in most stores.

I have been interested in attaching it to a fixed focus, non zoom digital camera, or perhaps replacing the camera lens with this optic.

The "barrel" of the lens is quite long and will need to be cut off. But I am not sure if optically the lens will focus anywhere near the sensor. Any ideas? TIA John

John Socha
Fri, 22 Aug 2008 14:41:04 +0000

Where did you get one of these Russian door peep holes? Sounds interesting to try myself.

The door viewer lens elements makes up an afocal system. An afocal lens is meant to be an secondary accessory lens for the primary lens (on the camera). So it's probably not possible to directly replace the camera lens with the door viewer.

Chieh Cheng
Fri, 22 Aug 2008 19:31:48 +0000

I got it about 10 years ago when there was a flood of Russian stuff coming out. I haven't seen one since. Probably made at the LoMo factory. They made all kinds of optics.

John Socha
Fri, 22 Aug 2008 21:15:24 +0000

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