Re: Looking for laser pinholes

I've done stereo photos with 4x5 negatives with "focal" lengths as
short as 65 millimeters (two and a half inches) with pinholes of .5 mm
diameter, easily drilled with a #10 quilting needle. As a matter of
fact, all my images are done with .5mm pinholes.

Nick

On Mar 23, 2005, at 10:03 AM, Neima, Matt wrote:

>
> If anyone can point me to a source (reasonably priced, I looked at
> Edmund
> Scientific and they want ~$50 each!) I'd appreciate it. I need a
> diameter of
> .5mm (focal length is about 120mm, I've done some of the calculations
> available on the net and they take me to around .4 to .5, f222 to
> f3somethingoranother).
>
> And if anyone can point me to a source of reasonably priced polaroid
> film
> for the 4X5 film holders that would be nice too, that stuff is
> expensive!
>
> matt
> _______________________________________________
>
----------------------------------------------------------------------
Nick Dvoracek dvoracek@uwosh.edu
Director of Media Services Voice: 920-424-7363
University of Wisconsin Oshkosh Fax: 920-424-7324
My web site: http://idea.uwosh.edu/nick/handouts.htm
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Received on Wed Mar 23 09:24:31 2005