----- Original Message ----- 
From: "Larry Colen"
Subject: how many mSec between frames without flipping the mirror?


> It seems to me that it should be possible to expand dynamic range by
> firing off two (or three) frames on the same shutter press. It
> wouldn't work for sports, but for many shots even the motion in 1/5
> second (assuming 5 FPS) would be acceptable. If the mirror is the
> limiting factor, maybe 1/50 second rather thant 1/5 second between
> frames would be doable.
>
> Especially since a lot of the time when I have rough dynamic range
> issues, I'm already shooting at something like 1/10 second, so two
> frames of 1/10 second and 1/80 or 1/160 second would be a good match,
> and the "stutter" between the two frames would be negligable compared
> with the blur.

Look into HDR photography. Done right, it looks pretty natural. Done 
imaginatively, it looks completely surreal.

William Robb



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