Archived posting to the Leica Users Group, 2002/03/21

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Subject: Re: [Leica] Re: Photographing x-ray film - how to?
From: Amilcar de Oliveira <amilcar@domain.com.br>
Date: Thu, 21 Mar 2002 22:30:41 -0300
References: <5.1.0.14.2.20020320200849.03f4e1a0@pop.alink.net>

Kodak makes a X-ray duplicating film, X-OMAT 2 Dental Duplicating Film 
#4487. It's contact printed and developed in standard x-ray chemicals
(which means paper chemicals will probably give a good result).

Amilcar 

Jim Brick wrote:
> 
> At 06:39 PM 3/20/2002 -0800, someone wrote:
> 
> >This Saturday I will be photographing various x-ray sheets for a client on
> >Agfa Scala 200 b&w slide film with my Leica R8 and appropriate lenses. The
> >x-ray sheets will be lit via a standard x-ray viewbox. Since the light will
> >be emitted from behind the film, incident readings are impossible. Thus,
> >having to use reflected readings, I must be assured of perfect exposures and
> >am not certain how. Can anyone herein provide suggestions as to obtaining
> >correct metering? Thanks in advance!
> >
> >Terry
> 
> This is a tough assignment. Years ago Kodak published a booklet on how to
> photograph x-rays. The main emphasis was on pre exposing (flashing) the
> film so it could record the fine gradations in the dark portions and
> develop so that there is also detail in the light parts. A direct positive
> film such as Kodak SO-132 film might be ideal as it, like Scala, produces a
> positive image directly, has a long tonal range, and the contrast is
> controlled by development time.
> 
> Jim
> 
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In reply to: Message from Jim Brick <jim@brick.org> ([Leica] Re: Photographing x-ray film - how to?)