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Re: [OM] IMG: More Experiments with ETTR

Subject: Re: [OM] IMG: More Experiments with ETTR
From: "Chris Trask" <christrask@xxxxxxxxxxxxx>
Date: Thu, 8 Sep 2011 12:32:41 -0700
Cc: Olympus Camera Discussion <olympus@xxxxxxxxxxxxxxxxx>
>
> An extreme range of brightness showed me that I could not find a setting
> capable of capturing the full image without blowing the highlights.  This
> example was about as good as I could do, and it used EV +1.3.
>
> http://gallery.leica-users.org/v/OldNick/P9081077edit.jpg.html
>
> Using this same setting worked very well in capturing an image containing
> a lot of shadow area.
>
> http://gallery.leica-users.org/v/OldNick/P9081079edit.jpg.html
>
> There is a lot more for me to learn!
>

    This is a problem that I encounter almost every time I go out to take
wildflower photos, and it can be solved in one of two ways, depending on the
complexity of the scene.  In your first photo, you could use a reflector to
cast light on the underside of the leaves and flowers, which will even out
the light.  You could also use a diffusor to cast a shadow over the entire
scene, but in this case the scene is a bit complex and a diffusor might
darken the underside of the leaves and not be of much help.

    In the second photo the scene is much simpler, and a diffusor would even
out the lighting with little if any adverse darkening, which would take care
of the small amounts of bright areas that have been blown out.  Then a
slower shutter speed will bring the bright colours back.

    By a scene being "simple" or "complex" I'm referring to the diversity of
dark and bright areas.

Chris

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