[TheForge] Mastermyr photo question...

[Mike McKim]

Whatever exposure method is used, the photo processor will attempt to
correct under or over exposure to get what they feel is correct.

Mike McKim

----- Original Message ----- 
From: "Andy Vida" <osan@netlabs.net>
To: <theforge@mailman.qth.net>
Sent: Saturday, February 07, 2004 8:49 PM
Subject: Re: [TheForge] Mastermyr photo question...


>
>
> Bob Rackers wrote:
> >
> > Not quite correct.
> > Exposing based upon an 18% gray card will let the exposure values fall
where
> > they will (i.e. where they should).
> > A subject with darker skin will therefore expose as a darker skinned
subject.
> > Adjusting the exposure from 18% gray toward a smaller aperture opening
(higher
> > f-stop number) will underexpose the dark skinned subject, as well as
everything
> > else in the photo.
> > If you set your exposure settings based upon a darker gray, then the
camera
> > will "assume" it's really 18% gray with less light, and will give you
settings
> > to overexpose it to the point of getting back to18% gray.
>
> Another thing you can do to effectively re-meter the camera is
> set your film speed to a lower value.  Seshat discovered this
> accidentally when she shot a roll of 400 set at 100.  The effect
> was quite pleasing.
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