RE: focusing Rollei TLR using Konica IR film

["Michael Dziak" <fetch_the_ball@xxxxxxx>]

With Konica stopping down to f16 or f22 should do it. Otherwise focus visually 
slightly in front of the subject if you want to use less depth of field.

- ----------
From: 	owner-infrared@xxxxx on behalf of DDS7%CssAs%CTS@xxxxxxxxxxxxxxxxx
Sent: 	Tuesday, May 06, 1997 6:33 PM
To: 	infrared
Subject: 	re:focusing Rollei TLR using Konica IR film

I've heard moving it 1/4 of 1% of the focal length will do the trick, but I 
got two opinions on which direction to go, out or in.  Since a diagram I saw 
showed IR focusing further back than the visible colors, I would assume moving 

out is the way to go. 

Another gentleman said just stop down to f/16 and let the depth of field take 
care of it.  This sounds easier, only if it fits the circumstances of the shot 

though.

I just asked this question about a week ago.

Dwight Shackelford

- ----------------------[Reply - Original Message]----------------------

Sent by:"Rui L. Mendes" <rlmendes@xxxxxxxxxxxxxxx>
 Anyone can give some suggestions to focus a rollei TLR, which doesn't have a
IR mark in the focus ring, using Konica IR? 
May I focus in the usual mode, using a small aperture or may I do a small
deviation of the setting point of focus?
Thanks.
Rui   

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