Thank you,
If my memory serves me correctly, this distance is 17.56mm.
I'm afraid I am totally unaware of these formulae that you speak of,
could you possibly send me one or two?
Or maybe direct me to one somewhere?
Thanks again,
-Ed Gendron
First thing you need to do is to measure the physical distance from the film
gate in the camera to the body cap, so you know the true focal length you'll
be working with. Then you'd need to apply one of the various pinhole
aperture formulae to figure out the diameter pinhole you need. You also
might try adding the length of the various extension tubes, to see what
"focal lengths" (superwide, wide, normal, long) you have to work with for
your different shots. Just like a regular movie.
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Edwin Gendron
Virginia Tech
Residential and Dining Programs Graphics
43 Owens Hall (0223)
Blacksburg, Va. 24061
(540)231-5398
egend...@vt.edu
