Pinhole Camera Calculator (as well a Zone Plate Calculator)
http://www.mrpinhole.com/calcpinh.html
Manuel Estebanez
Spain
----- Original Message -----
From: Kelvin <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, September 18, 2001 4:42 AM
Subject: [Cameramakers] pinhole camera
> hi all
>
> I am thinking of building a pin-hole camera for a 6x9 rollfilm format.
>
> Can anyone advise me how big the pin-hole should be, given a focal length
> of about 60mm ?
>
>
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