Archived posting to the Leica Users Group, 2004/05/19

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Subject: [Leica] Anyone tried infrared photography on digital cameras?
From: despistado at cromosfera.com (jose usoz)
Date: Wed May 19 14:43:59 2004
References: <s0ab1c82.064@mail.usip.com>

> I have used an infrared filter on both the Leica Digilux 1 and the
> Nikon D100.
> 
> Exposure times can get long, so the best results hand held are during
> mid-day.  The images tend to look grainy, just like film IR pictures,
> but without the blooming caused by the lack of an anti-halation
> backing on the film.
> 
> I used a squeeze on filter holder from my 4x5, and a gelatin IR
> filter.
>  This is not too expensive, but you have to be careful that the filter
> holder does not fall off when the lens retracts during focusing.
> The Lee Gel Snap filter holder is around $20, a Kodak 3x3" (75mm) #87
> Opaque Infrared Wratten Gel Filter is around $56.
> 
> Another problem with the snap on is that I get lens flare from light
> entering from the side of the filter holder.  There are gel holders
> that are made for various cameras, so a little research might help you
> find a better solution.
> 
> Bob Rose

a link with a little howto:

http://www.pixelagogo.com/infrared_howto.html

-- 
Jose Usoz / Cromosfera
http://www.cromosfera.com

In reply to: Message from rjr at usip.com (Robert Rose) ([Leica] Anyone tried infrared photography on digital cameras?)