Archived posting to the Leica Users Group, 2017/01/29

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Subject: [Leica] Leica lenses on Fuji X Pro 1 Vs Sony A7
From: rgacpa at gmail.com (Bob Adler)
Date: Sun, 29 Jan 2017 08:20:13 -0800
References: <CANYyKx8hoMuFFgDBXngRZ8g9iDbpQfjO-2zpkpPucUqLDS+Eyg@mail.gmail.com>

Just of note: Capture 1 now has diffraction correction in its raw processor. 
I haven't tried it yet... but it seems to be worth investigating...

Bob Adler
Robert Adler Photography
www.robertadlerphotography.com

> On Jan 26, 2017, at 5:54 PM, Alan Magayne-Roshak <amr3 at uwmalumni.com> 
> wrote:
> 
> On Thu, 26 Jan 2017 "Frank Filippone" <red735i at verizon.net>wrote:
> 
>> ...
>> ...
>> ...
>> I should mention that even with a Digi-Leica camera body, focus shifting 
>> is
>> an issue.  It is inherent in the specific lens design.  There is no camera
>> body based fix possible.  With a EVF,  you have the ability to correct
>> it....
>> Using more DOF ( smaller aperture) will help mask this error source.
>> Your other choice is to not use focus shifting lenses.....  or suffer
> trying
>> to get really sharp focus on your subject by focusing initially at 
>> shooting
>> aperture, which will be frustrating, especially at F32 ( for example).
>> ...
>> ..
>> ...
> 
>> Frank Filippone
> 
>> Red735i at verizon.net <Red735i at verizon.net>
> ==========================================================================================================================
> A concern with f/32, or even f/16 on FF or smaller sensors is diffraction.
> I posted a picture of a toy elephant head and a Brannock Device this month.
> <
> http://gallery.leica-users.org/v/Alan+Magayne-Roshak/Miscellaneous/20170108_MR_Mine_DSF3901.jpg.html
>> 
> When I was shooting it (on a 20 lb. tripod) I was trying to get everything
> in focus, but I had to settle for f/11.  I could see a softening of detail
> on the focused point as I stopped down past f/8, especially at f/16 and
> f/32.  The frame at f/11 was the best compromise between sharpness and
> D.o.F.  FYI, the lens was a 35mm f/3.5 Perspective Control Nikkor.
> 
> Ref: <http://hyperphysics.phy-astr.gsu.edu/hbase/phyopt/cirapp.html#c1>
> 
> -- 
> Alan
> 
> Alan Magayne-Roshak, Senior Photographer
> University of Wisconsin-Milwaukee Photo Services
> (Retired)
> UPAA Photographer of the Year 1978
> UPAA Master of the Profession 2014
> amr3 at uwm.edu
> http://gallery.leica-users.org/v/Alan+Magayne-Roshak/
> 
> "All the technique in the world doesn't compensate
> for an inability to notice. " - Elliott Erwitt
> 
> _______________________________________________
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In reply to: Message from amr3 at uwmalumni.com (Alan Magayne-Roshak) ([Leica] Leica lenses on Fuji X Pro 1 Vs Sony A7)