Archived posting to the Leica Users Group, 1997/07/01

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Subject: Re: funny corners, the sequel...
From: wilcox@umcc.umcc.umich.edu (Ken Wilcox)
Date: Tue, 1 Jul 1997 13:00:07 -0400

As far as the 21 goes... Both Super Angulons produce negatives that nearly
touch each other and the sprocket holes in both M and screw mount bodies.

kw

>A couple of weeks ago I asked about funny corners in my negs. Little
>extension symmetrically in the bottom corners (top when the film
>is in the camera). Harold Gess (thanks!) confirmed that this is
>indeed a feature, not a bug. My camera was in repair and today when
>I visited the shop I checked a M4 body & saw the reason. The horizontal
>groove just under the top film rails lets some light seep outside the
>"official" frame. Actually with 21mm lens I think it will leak quite
>a bit as the light hits the emulsion then quite obliquely. Is this
>groove in M6 etc. and what is it for? The mechanic thought it might
>be just something left from the machining the body without any
>further purpose. Strange. None of my other cameras has such grooves.
>
>Not that this matters so much but I find it intriguing that you can
>identify not only the lens but the camera from a full frame print.
>
>Regards,
>
>
>Kari Eloranta

- ----
Ken Wilcox                                Carolyn's Personal Touch Portraits
LHSA, MEA, LAW                         preferred---> <wilcox@umcc.umich.edu>
                                              <kwilcox@genesee.freenet.org>