Archived posting to the Leica Users Group, 2007/01/20

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Subject: [Leica] IR with Leica
From: darkbulb at gmail.com (R S)
Date: Sat Jan 20 21:24:14 2007
 
Does anyone know what the focusing compensation is when shooting IR film
using a Summicron 50/2?
Somewhere I think I remember it's 'focus forward 1/4% of the lens focal
length' - but I may be way off on that.

I tried to see if my 1963 Summicron 50/2 has IR focus adjustment indicators
on it but couldn't find anything that would make sens.

Also if anyone have recommendation on film and filters to use that would be
greatly appreciated as this will be the first time I attempt this.

/Rich
Replies: Reply from jhnichols at bellsouth.net (Jim Nichols) ([Leica] IR with Leica)
Reply from jhnichols at bellsouth.net (Jim Nichols) ([Leica] IR with Leica)
Reply from len-1 at comcast.net (Leonard Taupier) ([Leica] IR with Leica)