On Sat, 15 Jul 2006, George L Smyth wrote:
Soo - what would the fstop be?
If the film was placed 30 mm back from your lips, and you could make a 2mm
pinhole with your lips, that would be an F 15.
I would really like to demonstrate this. Has anyone done it?
Gord
> Don't forget that you can take a picture by putting the film in your mouth then
> opening slightly - Pinhole Journal had a series of these a while back.
>
> Cheers -
>
> george
>
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Gordon J. Holtslander Dept. of Biology
holtsg@duke.usask.ca 112 Science Place
http://duke.usask.ca/~holtsg University of Saskatchewan
Tel (306) 966-4433 Saskatoon, Saskatchewan
Fax (306) 966-4461 Canada S7N 5E2
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Received on Tue Jul 18 08:21:00 2006
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