I am not doing this to break the original questions, but as I think the thread title get people looking here; do any of you live in New York, or do any of you know Martin Forscher, the Smokey Yunick of camera modification.

If you do I believe it would be a very good idea if one sat down with him and made an abstract so as to be able to gather enough information, including others who worked with him, about the PCR shop before he dies and his knowledge goes with him.

I am too far away and do not have the resources to track him down or I would do it myself.

Any out there familiar with the late {i]Professional Camera Repair[/i] shop?
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Back on topic:
Have any of you read:
Camera Technology: The Dark Side of the Lens

or
Applied Photographic Optics, Third Edition