Re: IR pinhole problems

From: George L Smyth <glsmyth_at_domain.name.suppressed>
Date: Mon 04 Jun 2001 - 14:18:14 PDT

--- Richard Heather <rheather@slonet.org> wrote:
> You need a red filter to remove the visible light.

Actually, a red filter allows the red visible light to pass. An opaque filter
(like an 87, 88, 89, R72, etc.) will allow only IR.

Cheers -

george

=====
Handmade Photographic Images
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Received on Mon Jun 4 17:18:16 2001

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