Archived posting to the Leica Users Group, 2000/07/29

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Subject: Re: [Leica] Re: Re: Viewfinder on M2 question
From: "Steve LeHuray" <icommag@toad.net>
Date: Sat, 29 Jul 2000 15:14:53 -0400

> In a message dated 7/29/00 9:37:46 AM Eastern Daylight Time, 
> jbcollier@home.com writes:
>
> << I think the confusion is coming from the fact there are two outer panels
>  visible from the outside. The outer window and the inner diffuser. The outer
>  window is indeed square, and flush on the late M4-P and up, but the inner
>  diffuser is slightly tilted in at the top. This is the same on my M2, my old
>  M4-2 and my new TTL. It is held in place by a bracket and short of direct
>  impact could not slip out of place.
>
>  John Collier
>   >>
> The "inner diffuser" (the translucent plastic panel with vertical ribs) on my
> M2's, M4, M4-2 and M6's are all flush against the inside of the cutout in the
> top plate, i.e. completely parallel to the front of the camera.  They do not
> tip back at an angle.  They should not tip back at an angle.  If you look at
> the diffuser panel from the side there's an optical illusion that *looks*
> like it's slanted, but if you can acually see the panel sit farther back from
> the casing cutout at the top edge, it's not supposed to be that way.
>
> Now, while we're on the subject of M2 viewfinders:  How many M2 owners,
> looking into the main viewfinder window from the *front*, can see a trail of
> "golden droplets" along the lower left edge of the prism, that look like
> they're receeding into the camera back toward the eyepiece?  I was told that
> this means the prism is starting to separate and it can't be glued back
> together like a lens element, so if the camera gets a sharp knock it'll come
> apart and I'll need to replace the whole rangefinder for about $500.  Makes
> me want to not use my M2, so has anyone had such an experience?
>

Both my M2's look fine. I am curious as to where that information came from.

Steve
Annapolis