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Digital BW, The Print

Index last updated: 2026-04-28 22:56 UTC

Message

Correcting exposure for Gray Gamma 1.8

2005-03-17 by Johnny Eades

Let me repost the question again. Maybe this time someone will answer 
it without getting into a random discussion about 1.8 and 2.2 gamma 
rather than answering what I'm asking.

Your friend in Photography,

Johnny

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Johnny Eades" 
<jeades1@s...> wrote:
> 
> My monitor is calibrated for Gray Gamma 1.8, so I should be making 
my 
> exposures so that middle gray should read on the monitor as RGB 
145. 
> Is that correct? Practically all the 21 step grayscale strips are 
set 
> up for Gray Gamma 2.2 and have 128 as middle gray. In addition to 
the 
> monitor set up as GG 1.8 it is set so the color temperature is 
5000K 
> and I view all my prints under a 5000K temperature light. I don't 
> think I am the only one who is doing this, yet Ive seen no 
questions 
> regarding this exposure question. The only reason I ask it now,is 
> that I usually need to lighten most of my images before really 
> working on them and sometimes the deepest darkest that I would like 
> to have some detail in it doesn't have any; as the result of what I 
> think may need exposre correction at time of exposure.
> 
> Your friend in Photography,
> 
> Johnny

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