Archived posting to the Leica Users Group, 2003/12/15

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Subject: Re: [Leica] Another Equipment question
From: Doug Herr <telyt@earthlink.net>
Date: Mon, 15 Dec 2003 18:56:26 -0800

on 12/15/03 6:05 PM, Ted Grant at tedgrant@shaw.ca wrote:

> Seth Rosner said:
>> I have a vague recollection of reading or hearing years ago that that
> thin,
>> flat sliver of glass is part of the optical design of the lens. I think
> that
>> SOME Leitz glass, UV, yellow, orange, red, or whatever the photographer
>> needs for the image, is supposed to occupy that slot all the time.<<
> 
> Hi Seth,
> I believe it applies to the 280 2.8 with the big screw on front element UV
> filter and not the 400 and 560 lenses. I used both of them and never used a
> filter at anytime and the slides were just beautiful.
> 
> But I think you are recalling the 280 2.8.  Although I believe Roy Zartarian
> has a 280 and rarely if ever used the front element screw on filter. So I
> could be wrong. But my 280 2.8 has the filter still on it since it was
> screwed there in Germany way back in early '64 and it's only been off a few
> times for cleaning and immediately re-placed.
> ted
> 
> 

The 280 f/4 APO also has a protective front element AND the Series 5.5
filter in the rear is also part of the optical design.

Doug Herr
Birdman of Sacramento
http://www.wildlightphoto.com


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