Olympus-OM
[Top] [All Lists]

[OM] Re: Photographing fluorescence under UV/Black Light?

Subject: [OM] Re: Photographing fluorescence under UV/Black Light?
From: "Wayne Harridge" <wayneharridge@xxxxxxxxxxxxxxx>
Date: Tue, 26 Aug 2008 21:24:21 +1000
> 
> Any idea what level of UV filter I should use?
> 
> Something else I just thought of. The scorpion fluoresces a 
> bluish green. Is a UV filter likely to make it look more 
> green on film than it does to the naked eye?
> 

Darin,

last night I just answered off the top of my head as I new I'd read about
the techniques.  After a bit of searching in the study I found the
publication I was looking for "Ultraviolet & Fluorescence Photography",
Koday Publication No. M-27, can't remember how long I've had it.

Answering your specific question "Any idea what level of UV filter I should
use" is not that easy after re-reading the section in the Kodak publication,
they show transmittance curves for 9 different Wratten filters and the
choice depends on both the visible colours produced by the UV "exciter" and
the colours of the fluorescence.  I guess my approach would be to try any
filters I had which cut blue/violet, e.g. skylight (1A, 1B), warming filters
(81A,B,C), colour correction filters (85A,B,C), and a K2 (normally used for
b&w) and see if any give the effect you are looking for.

If you think it is worthwhile I could scan a few relevant pages and drop
them on my web site.

...Wayne
 



==============================================
List usage info:     http://www.zuikoholic.com
List nannies:        olympusadmin@xxxxxxxxxx
==============================================

<Prev in Thread] Current Thread [Next in Thread>
Sponsored by Tako
Impressum | Datenschutz