Archived posting to the Leica Users Group, 2003/08/02

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Subject: [Leica] Focusing 19mm R; Kodachromes and 81 (KR) filters
From: Martin Krieger <krieger@usc.edu>
Date: Sat, 02 Aug 2003 19:07:10 -0700
References: <200308022213.PAA07547@mejac.palo-alto.ca.us>

Two questions:

1.With the 19mm R, after the 5 meter mark I have no idea if I am in better
focus there or at infinity for most of my "scenics" which begin say 20 feet
or more in front of me. I use the grid screen (so perhaps I would do better
with a split image etc screen?). Would I get sharper pix using an M/.58 with
the 21 mm.  Think in terms of very great enlargement, where one is trying to
discern a particular detail.

2. I am trying to understand the difference between the Kodachromes 64 and
200. I find the 200 to be more open and airy, so to speak, not blocking up
shadowy areas, even more latitude in the highlights. Is this correct. I
gather that the 200 is more magenta in its balance, and this deals with the
overly blue  (UV caused) images I get with 64.
    Also, and 81A seems not to be enough to deal with the blueness. What do
you recommend.

Thanks very very much,
Martin

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Replies: Reply from "David W. Almy" <dalmy@comcast.net> (Re: [Leica] Focusing 19mm R; Kodachromes and 81 (KR) filters)