From: Larry Colen
On Apr 11, 2011, at 5:05 AM, John Sessoms wrote:
From: Larry Colen
It seems to me that if we are shooting a low contrast
situation, such as clouds on a grey sky, or with a mediocre,
low contrast lens, we could compensate by using a higher ISO
to spread the fewer stops of dynamic range in the input out
over more bits of data, at the cost of more noise, because
we're constraining ourselves to the lower, noisier portion of
the signal.
Is this basically accurate?
IMHO, you're OVER-thinking this. Just go out and look for
beautiful pictures. Take 'em.
John, you are obviously not enough of a geek. For me, one big part
of the fun is actually learning and understanding what it going on.
Another thing that I find a lot of fun is being able to take photos
that other people can't, and that requires understanding what is
happening.
To each his own.
I took up photography to escape geekdom.
Tracking the lifestyle of every photon that hits the sensor is the kind
of activity that leads to prematurely needing glasses IYKWIM.
Bracket like hell!
Unfortunately, the camera will only auto bracket shutter speed. I'm
completely boggled why you can't choose what to bracket (shutter
speed, aperture or ISO) since they're all controlled by the camera.
For that matter you should be able to tell the camera to maintain the
same exposure and which of the the three to remain constant.
Twist the dial to M and you can bracket any way you want.
While we're at it, with auto focus, you should be able to bracket
focus. It could be handy for motorsports too, tell the camera to
bracket focus coming towards you by a set amount each frame.
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