Re: Optimal Focal Length

optimal focal length0.276 inches. Will cover roughly 3/4 inch.
----- Original Message -----
From: "ballard borich" <ballardborich@hotmail.com>
To: <pinhole-discussion@pinhole.com>
Sent: Saturday, February 02, 2002 12:18 PM
Subject: [pinhole-discussion] Optimal Focal Length

> I have a pinhole micro-drilled in grade 400 Monel that is marked .0039"
> What would be the optimal focal length for this pinhole and what size area
> would it cover?
> Ballard
>
>
>
>
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Received on Sat Feb 2 15:48:02 2002