Archived posting to the Leica Users Group, 1998/01/30

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Subject: Re: [Leica] Depth-of-Field Tables, M & R lenses
From: Five Senses Productions <fls@5senses.com>
Date: Fri, 30 Jan 1998 14:29:20 -0800

Thanks Lucien......I have just ordered one from Leica USA.

Francesco

At 11:00 AM 1/30/98 -0500, you wrote:
>
>Francesco wrote:
>
>>I wondered if anyone has a DOF Guide from Leica......is it a very
>>detailed publication, showing DOF tables for ALL lenses?
>
>
>Francesco,
>
>I have a "Depth -of-Field Tables for Leica M and Leica R lenses"
>Ernst Leitz Wetzlar GMBH
>110-057  h dt./engl./frz.
>IX/83 (september 1983)
>
>It is very detailed.
>
>You will have the formulas for close-up photography
>in German, English and French,
>and the DOF tables for the following focals:
>19,21,24,28,35,40,50,60,65,70,75,80,90,100,
>135,180,200,250,280,350,400,500,560 and 800mm.
>All the tables have been calculated with a circle-of-confusion
>of 1/30 mm, and the figures have been rounded off for convenience.
>
>Example of DOF available:
>
>50mm
>distance setting in meter only:
>0,5-0,6-0,7-0,8-0,9-1-1,2-1,5-2-3-5-10m 
>and infinite.
>F/stop: 1-1,2-1,4-2-2,8-4-5,6-8-11-16-22 
>
>Ex.: 50mm at F:5,6 and 0,9 m = between 0,86 and 0,95 m
>or
>75mm at F:1,4 and 1,5m =  between 1,48 and 1,52m
>or
>50mm at F:1 and 0,9m =  between 0,892 and 0,908 m  :-)
>
>Viva EL "M6 0,85"  !!
>
>I don't know if Leica still provide a DOF table.
>
>Lucien
>BELGIUM
> 


Francesco Sanfilippo,
Five Senses Productions
webmaster@5senses.com

http://www.5senses.com/