Archived posting to the Leica Users Group, 2005/06/25

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Subject: [Leica] New Puts article
From: shino at panix.com (Rei Shinozuka)
Date: Sat Jun 25 22:33:05 2005
References: <21130191.1119744080947.JavaMail.root@wamui-backed.atl.sa.earthlink.net> <42BE3B7B.1070105@axionet.com>

correct.  for example, the 4x5 2.8 xenotar has approximately the
same DOF as the Noctilux in 35mm.

http://www.shinozuka.org/20040914-xeno/

-rei


On Jun25 22:22, Jacques Bilinski wrote:
> 
> 
> hlritter@mindspring.com wrote:
> 
> >Two prints at the same scale, one from a small sensor and one from a 
> >large 
> >one, will have identical depth of field if shot at the same f-ratio.
> >
> > 
> >
> I don't believe this is true.  As Steve pointed out the 'circle of 
> confusion comes into play'. In fact 2 prints from different size sensors 
> will have identical depth of field if shot at the same absolute 
> aperature (ie measured in millimetres), not the same f-ratio. 
> Photographers who have shot portraits with large format cameras and 
> subminiatures may know empirically that the large format camera will 
> show a shallower depth of field at the same f-ratio. Has anyone seen any 
> prints from a subminiature with shallow depth of field?       

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


Replies: Reply from jbilin at axionet.com (Jacques Bilinski) ([Leica] New Puts article)
In reply to: Message from hlritter at mindspring.com (hlritter@mindspring.com) ([Leica] New Puts article)
Message from jbilin at axionet.com (Jacques Bilinski) ([Leica] New Puts article)