[Leica] OT. sort of - Infra red film and focusing

[gregj.lorenzo at shaw.ca (GREG LORENZO)]

Aram,

I don't believe that you the R8 is your best choice for infrared film. Check 
the IB that came with the R8. 

Do you have an earlier camera that you can use instead?

Regards,

Greg

----- Original Message -----
From: Aram Langhans <dnaplasmid@compwrx.com>
Date: Sunday, April 16, 2006 7:46 am
Subject: [Leica] OT. sort of - Infra red film and focusing

> 
> I bought a few rolls of IR film for myself and a student.  I will 
> be 
> shooting with my R8 and he will be using his Minolta Auto Focus 
> SLR.  That 
> is (I think) the problem.  Last time I shot IR film (25 years ago) 
> I was 
> using my Rollei SL-35 and the lenses had a small red mark on focus 
> scale for 
> IR film.  I focused, shifted to the red mark and shot and had good 
> photos. 
> My Leica lenses do not have such a mark and I think I have read 
> that they 
> are corrected well enough that I do not need to shift focus for 
> IR.  Every 
> other lens (NON-Autofocus) I have seen has had the IR mark on the 
> focus 
> scale.  Now, my student's Minolta has no mark, no manual focus 
> scale at all 
> and is autofocus.  Will he be able to get well focused photos if 
> he shoots 
> at a large aperture or should he stop down considerabley to 
> achieve 
> sufficent DOF to have his main subject in focus?
> 
> Aram
> 
> This message is made of 100% recycled electrons.  No new atoms 
> were 
> destroyed in making it.
> 
> Aram Langhans
> Science Teacher, Naches High School
> 101 W. 5th. St / P. O. Box 159
> Naches, WA 98937
> 
> "Science Rules" 
> 
> 
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