Archived posting to the Leica Users Group, 2000/06/03

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Subject: Re: [Leica] Use of a filter on 90mm f/2 APO Asph
From: Dan Cardish <dcardish@microtec.net>
Date: Sat, 03 Jun 2000 20:29:58 -0400
References: <1252144020-21768963@eco-tec.com> <393830BE.D937C030@alumni.duke.edu> <3938AA1F.4C74331D@webshuttle.ch>

My 90AA has a UV filter on it at all times, and it (the filter) does not
appear to touch the front element.

Dan C.

At 12:26 AM 04-06-00 +0100, Simon Lamb wrote:
>I am will be sailing over the next weekend and I will probably put a uva
>filter on my 90mm AA lens to protect it form salt water spray and beer.  I
>remember reading somewhere that there were problems with early 90mm lenses
>because a filter could touch the front element.  The front element on the
>90mm AA is bulbous and looks as though its outermost point is flush with the
>bottom of the screw thread to which the filter would be attached.  I have a
>Leica E55 UVA filter and the glass looks to be inset by about 3mm into the
>filter ring.
>
>Am I right in assuming that I can attach this filter to my 90mm AA, or do I
>risk scratching the outer lens element.
>
>Thanks.
>
>Simon
>
>Amateur images at http://www.phoenixdb.co.uk/leica
>
>
>
>

In reply to: Message from "William Gower" <wgower@eco-tec.com> ([Leica] Overseas Leica's)
Message from John Coan <jcoan@alumni.duke.edu> (Re: [Leica] Overseas Leica's)
Message from Nathan Wajsman <wajsman@webshuttle.ch> (Re: [Leica] Overseas Leica's)