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T3D Re: geometry of a MF macro camera


  • From: Tom Deering <tmd@xxxxxxxxxxx>
  • Subject: T3D Re: geometry of a MF macro camera
  • Date: Mon, 5 Oct 1998 22:54:15 -0400 (EDT)


>All in all, smaller formats tend to work out better for macro and medium
>format works out better for everything else.

Thank you, thank you, THANK YOU!  I will take all these valuable numbers
and chew on them a while.

My drawings were based on some quickie estimates of the magnification I
would get, depending how far I moved the lens away from the film.
Everything else was pretty pictures and guesses.

Did I do right by moving the lenses inward?  I figure that if I left the
lens spacing the same as the film, I'd have to trim off a lot of film to
set the stereo window.  I haven't asked anybody about this yet, but it
seemed intuitive.

I wonder what magnified image will look like.  I will cobble one together
and see!  I have a broken Ricohflex that's begging to be put to use.

Did I say thanks?  Thanks!

Tom



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