Archived posting to the Leica Users Group, 2007/06/11

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Subject: [Leica] M8 and 75 Summilux, the DAS study
From: shino at panix.com (Rei Shinozuka)
Date: Mon Jun 11 17:50:26 2007
References: <569139B6-798A-4C33-A2DD-0CD5B78F0B8F@ameritech.net> <9b678e0706111735s9d00cc8m3a0cd7b262afb6be@mail.gmail.com>

one thing that works for me--and it may not be pretty--but the
korenmann STEER is parked on my 75 lux and noctilux and makes
the focusing job much more pleasant.

http://www.leicagoodies.com/

i also like that old technique of moving one's distance from the
subject to get that last bit of focusing.

-rei


On Jun11 19:35, Don Dory wrote:
> Dante,
> The best way to focus the 75 is to initially set the lens to either 
> infinity
> or closest focus depending on what you typically focus on; if typically 
> less
> than 5 meters then start at nearest point.  Then find an edge in the plane
> of focus, say the iris of an eye.  At a medium speed turn the focusing ring
> until the two images just come together and stop.
> 
> My 75 is pretty d*&mn sharp in the center 1/3 to 2/3 even wide open so no
> other sharpening than normal.  The contrast compared to the new designs is
> less so you might adjust your curves to fit or enjoy the slightly smoother
> look.  YMMV.
> 
> My 75 front focuses about four inches at 2meters so I adjust focus
> accordingly, just have not wanted to send the lens off just yet.
> 
> On 6/10/07, Dante Stella <dstella1@ameritech.net> wrote:
> >
> >
> >Ok.  Been testing the 75 Summilux with an M8.  Seems like a pretty
> >steep learning curve so far.
> >
> >Without my asking suggestive questions, can users of this camera and
> >lens combination comment on the following:
> >
> >1.      Any techniques that tend to make the focus more accurate (aside
> >from using a magnifier)?
> >
> >2.      The general imaging characteristics of this lens (i.e., what
> >classic lenses, if any, have you observed it resemble; do you have
> >any greater or lesser need to apply sharpening)?
> >
> >3.      Any observed variance in focusing accuracy with distance?
> >
> >
> >Thanks!
> >Dante
> >
> >
> >
> >_______________________________________________
> >Leica Users Group.
> >See http://leica-users.org/mailman/listinfo/lug for more information
> >
> 
> 
> 
> -- 
> Don
> don.dory@gmail.com
> 
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information

-- 
Rei Shinozuka shino@panix.com
Ridgewood, New Jersey


Replies: Reply from leicam4pro at yahoo.com (John Biava) ([Leica] M8 and 75 Summilux, the DAS study)
In reply to: Message from dstella1 at ameritech.net (Dante Stella) ([Leica] M8 and 75 Summilux, the DAS study)
Message from don.dory at gmail.com (Don Dory) ([Leica] M8 and 75 Summilux, the DAS study)