[LRflex] Re: R lenses on the M8
- From: jaza bala <urdds@xxxxxxxxx>
- To: leicareflex@xxxxxxxxxxxxx
- Date: Wed, 16 Sep 2009 05:37:15 -0700 (PDT)
Hi ! Zenit has an screw mount Zenitar 85mm F1.5 which is a copy of summarex .I
had Summarex many years ago and I kick my back many times that why I sold it ?
I am not sure of coating of Zenitar . but sure of that beauty . Dr.Farzin
Dentist Tehran
--- On Wed, 8/26/09, pwerner <pwerner@xxxxxxxxxx> wrote:
From: pwerner <pwerner@xxxxxxxxxx>
Subject: [LRflex] R lenses on the M8
To: leicareflex@xxxxxxxxxxxxx
Date: Wednesday, August 26, 2009, 12:59 PM
> focussing an R lens
> on an M camera is hit/miss.
Correct, except for very short (ultra wide angle) lenses, where the DOF is
sufficient for zone focusing.
I have used the R21-35, but mainly other (third party) lenses with adapters:
20mm/4.0 Zeiss Flektogon :
http://www.leicaphoto.net/discus/messages/7/740.html?1165825370
16mm/2.8 Zenitar :
http://www.leicaphoto.net/discus/messages/7/791.html?1166893312
My favorite in this class is the
20mm/4.0 Nikkor :
http://www.leicaphoto.net/discus/messages/7/1022.html?1184085061
----------------original message-----------------
From: "Doug Herr" wildlightphoto@xxxxxxxxxxxxx
To: leicareflex@xxxxxxxxxxxxx
Date: Tue, 25 Aug 2009 21:39:28 -0400 (EDT)
-------------------------------------------------
>>and since we got into this, what do we know about R lenses on the M
>>series, and vice versa...in terms of adapters, use, overall
>>compatibility, and ability to focus at infinity?
>
> Without live view or a real focussing viewfinder of some sort, focussing
an R lens
> on an M camera is hit/miss. Also- M cameras up to this point have no
communication
> from camera to lens, i.e., the camera can't tell the lens to stop down, so
the lens
> is at working aperture. Can make ground-glass or live-view focussing
slower and
> less accurate.
>
> Existing R-to-M adapters will allow infinity focus.
------
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