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[OM] exposure comp. for non-grey scenes

Subject: [OM] exposure comp. for non-grey scenes
From: "Daniel J. Mitchell" <DanielMitchell@xxxxxxxxxxxxx>
Date: Mon, 18 Mar 2002 10:14:27 -0700
 I was just out shooting TOPE stuff, and shot a whole lot of shots of
basically large white mountains against large white skies. ( (West)Castle
Mountain, southern Alberta -- pretty much your classic steeps and deeps
hill, lots of fun, _lots_ of snow, though my legs hurt a lot today).

 I tried to work out which way to compensate for the fact that the camera
thinks the whole world is 18 0rey, and after flipping back and forth in my
mind, I wound up setting everything to +1. I'm not sure if this was right or
not, so before I put this in for processing, could someone confirm if this
was correct, or if I'm going to have to hope for sufficient film latitude?

 (reasoning there was:
 
 camera wants to make everything 18 0rey
 world is actually white
 so the camera's going to try and expose the white into a 18 0rey scene
 so the camera's going to try and make the white too dark
 so I want to give more light to the film
 so I set the exp.comp dial to +, to force longer exposures.

 At the end of the day, I had a horrible feeling that somewhere along the
line I'd got things backwards..)

 thanks,

 -- dan 

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