Archived posting to the Leica Users Group, 2000/08/18

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Subject: [Leica] Re: Summaron 35/3.5 lens with specs for M3
From: "Paul Bolam" <Paul@bolam67.freeserve.co.uk>
Date: Fri, 18 Aug 2000 20:36:59 +0100

My thanks to Ken and Steve re. their advice on removing the Summaron specs.

My apologies though, as I dropped a rather large bollock by forgetting to
mention that I plan to use this lens on an M3 with infra-red film!
Therefore, the lens will be stopped down and set to the hyperfocal distance
to allow for the infra-red adjustment. So, I don't need to use the
rangefinder for focussing.

Thanks,
Paul.

> The eyes change the magnification of the image. (I may be wrong about
this,
> I've never actually tried it myself.)

Ken Wilcox

At 2:23 -0400 8/16/0, a fine scholar, Steve LeHuray wrote:

>> Paul,
>>
>> If I recall correctly, the lens will not focus properly without the
specs.
>>
>> Ken Wilcox
>
>Ken,
>
>Just curious. How can the lens not focus properly without the eyes? If the
>two images in the viewfinder patch are lined up it is in focus, no? At
least
>they are on my M3 when I use a Summaron (no eyes though) same thing when I
>use a 21mm.
>
>Steve
>Annapolis
>>
>> At 5:17 +0100 8/16/0, a fine scholar, Paul Bolam wrote:
>>
>>>Anyone know an easy way of removing the specs from this lens?
>>>
>>>I use it on an M3 and have found that the specs are a bit unnecessary as
the
>>>M3 viewfinder is already pretty close to a 35mm angle of view (well, good
>>>enough for my purposes).
>>>
>>>So, in an attempt to minimise weight and bulk, I unscrewed the retaining
bar
>>>on the lens and tried to pull off the specs. Unfortunately, the specs
>>>decided that they preferred to stay attached to the lens and I gave it up
as
>>>a bad job.
>>>
>>>The specs may have won the first round but I ain't giving up!
>>>
>>>Thanks,
>>>Paul