Archived posting to the Leica Users Group, 1997/11/07

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Subject: Re: Antarctic exposure
From: Jim Brick <>
Date: Fri, 07 Nov 1997 22:10:13 -0800

At 11:05 PM 11/7/97 -0500, you wrote:
>I am leaving for the Antarctic in a couple of weeks for some three weeks.  I
>am looking for suggestions as to equipment to take and equipment not to take.
> I primaily use R equipment but also have M6, Nikon35Ti, Nikon N90s.  
>Need sugestions for for lens, other articles for my bag.  I will be shooting
>primarily Kodachrome 25 and 64.   My primary camera will be R8 but have other
>R's also.
>I have shot very little in snow and would appreciate suggestions for exposure
>Thanks for your suggestions in advance,

If you use matrix or integrated metering (R camera and DX), you must set
your exposure bias to +1.5 or +2 when photographing mostly white vistas and
white stuff. If the other cameras (35Ti, N90) don't have settable exposure
bias, don't use DX and cut your ASA in half twice, then add a little. ASA
25 becomes ASA 8. ASA 64 becomes 25. If there's an overwhelming amount of
other stuff (boat, sea, buildings, penguins, etc.) remove the bias. When
using the spot meter (R or M), remove the bias and meter on something
darker than white. Something toward 18% gray. Like blue sky, grass (ha),
kaki clothes, penguin, etc.