Subject: Focal distance and picture area for extension tubes Author: Thomas Wernberg Date: 10/14/2001 10:07:03 PM Message:    My second question concerns how to calculate the focal distance and the picture area for extension tubes. I'm into taking photos of small things. Therefore I wish to stack my extension tubes and thus I need to construct framers for various extension tube-lens combinations. Any sugestions? Cheers Thomas

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Author

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Focal distance and picture area for extension tubes (1)

Thomas Wernberg

10/14/2001 10:07:03 PM

Now you're getting into a tough area. (0)

drdread

10/15/2001 12:46:43 PM

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