Archived posting to the Leica Users Group, 2012/12/16

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Subject: [Leica] Rangefinder focusing limit
From: richard at richardmanphoto.com (Richard Man)
Date: Sun, 16 Dec 2012 16:47:27 -0800
References: <CCF3CE58.22BFD%chris@chriscrawfordphoto.com> <1F324618-5D4E-483D-BCF1-98DC65B07DB0@gmail.com>

M? Which one? M3, M4, M5, M6, M7, MP, M8 or the M9

Oh you mean the short named
M Type 240

Not interested :-)


On Sun, Dec 16, 2012 at 4:38 PM, Leo Wesson <leowesson at gmail.com> wrote:

> Or with the M coming out with live focusing, you can cheat the close point
> with diopter filters.
>
> Leo Wesson
> www.leowesson.com
>
> On Dec 16, 2012, at 18:17, Chris Crawford <chris at chriscrawfordphoto.com>
> wrote:
>
> > I think its has to do with the physical limits of the rangefinder design.
> > There are ways around it, like the system used on the Dual-Range
> > Summicron, and some other RF lenses have been made that focus closer, but
> > without rangefinder coupling at the closest distances.
> >
> > I didn't know the Mamiya 6/7 could only focus to 6 feet. I think that's
> > just the 150mm lens, the other lenses focused to 3 feet.
> >
> > --
> > Chris Crawford
> > Fine Art Photography
> > Fort Wayne, Indiana
> > 260-437-8990
> >
> > http://www.chriscrawfordphoto.com  My portfolio
> >
> > http://blog.chriscrawfordphoto.com  My latest work!
> >
> > http://www.facebook.com/pages/Christopher-Crawford/48229272798
> > Become a fan on Facebook
> >
> >
> >
> > On 12/16/12 6:50 PM, "Richard Man" <richard at richardmanphoto.com> 
> > wrote:
> >
> >> Idle wonder time: what limits the close focusing range of a rangefinder,
> >> as
> >> comparing to SLR lens? I imagine it's something inherent to the
> >> rangefinder
> >> design?
> >>
> >> Furthermore, why is that the Leica can focus down to 3 feet or so, but
> the
> >> Mamiya 6/7 can only focus down to about 6 feet?
> >>
> >> Optical design or rangefinder limitation?
> >>
> >> --
> >> // richard <http://www.richardmanphoto.com>
> >>
> >> _______________________________________________
> >> Leica Users Group.
> >> See http://leica-users.org/mailman/listinfo/lug for more information
> >
> >
> >
> > _______________________________________________
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>
> _______________________________________________
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>



-- 
// richard <http://www.richardmanphoto.com>


In reply to: Message from chris at chriscrawfordphoto.com (Chris Crawford) ([Leica] Rangefinder focusing limit)
Message from leowesson at gmail.com (Leo Wesson) ([Leica] Rangefinder focusing limit)