TAKO. INTERNET SEIT 1996.
Olympus-OM

Re: [OM] PT article, OM meter color sensitivity

Subject: Re: [OM] PT article, OM meter color sensitivity
From: "James N. McBride" <jnmcbr@xxxxxxx>
Date: Sat, 3 Jan 2004 10:27:29 -0700
Just go do it....sounds trite doesn't it.  I would photograph a lot of
different things with widely differing levels of color intensity and keep
good records of what was done and then correlate those to the resulting
images. That may create an experience base that will aid you in capturing
the desired result when photographing for real. /jim

-----Original Message-----
From: owner-olympus@xxxxxxxxxxxxxxx
[mailto:owner-olympus@xxxxxxxxxxxxxxx]On Behalf Of W Shumaker
Sent: Saturday, January 03, 2004 9:15 AM
To: olympus@xxxxxxxxxxxxxxx
Subject: [OM] PT article, OM meter color sensitivity


I have not followed the list for a while, so I might have missed any
reference to the latest Photo Techniques magazine article entitled
"'Artistically Weighted Averaging' for Optimal Results" by Mark
Dubovoy. A couple of things of interest. One is his observation that
various meters have widely varying color sensitivity.

The second is the use of multi-spot metering for weighted metering of
the scene. Basically the idea is to multi-spot the scene by taking more
spot readings of the more important elements in the scene. This
technique would work well with the OM-4t.

Back to the first point though, his observation that different meters
have different color sensitivity and I was wondering how the OM-4 meter
compares, both as a spot meter and possibly the effect of film coating
color on OTF metering. More specifically, I was wondering about
metering for B&W film, which can have a more extended frequency
sensitivity. For instance, the Maco's Cube 400c mentioned in the latest
Shutterbug magazine has extended red sensitivity. Mostly I shoot E6
film, which has a tighter frequency characteristic because it is color
film. But I am starting to get back into B&W and the PT article implies
that meter color sensitivity can be widely off.

So the questions I have are:
1) Do we have any idea what the color response is for OM meters?
2) And does anyone have metering related experience using B&W films with
   OM meters? Should I be concerned, even?

Wayne


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