Archived posting to the Leica Users Group, 2000/11/24

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Subject: Re: [Leica] Filter Degradation
From: Jean Marc Becker <jean-marc.becker@wanadoo.fr>
Date: Fri, 24 Nov 2000 13:29:36 +0100
References: <005901c055e8$697012a0$ade7fcce@osprey> <3A1E22F9.78EDBDA5@rabiner.cncoffice.com>
 
> I'm under the impression that gelatin filters are too thin to have adverse
> optical effects like thicker glass or resin filters do. They just get dirty and
> when you try to clean them they get worse so the only thing to do is to replace them.
> But if they are colored they are doing something functional for you and your
> shot so why scorn them?

Gelatin filters are, optically, a true horror. They might be used only
as contact filters, or introduced in incident light. 

JMB
Replies: Reply from Mark Rabiner <mark@rabiner.cncoffice.com> (Re: [Leica] Filter Degradation)
 In reply to: Message from "Paul Arnold" <osprey@bmt.net> ([Leica] Filter Degradation)
Message from Mark Rabiner <mark@rabiner.cncoffice.com> (Re: [Leica] Filter Degradation)