Electronic control of the shutter independent of the mirror is probably
easier to implement than mechanical control. It wouldn't need tight
tolerances between what are essentially separate mechanical subsystems.
I kind of thought that might already be the case.
AlunFoto wrote:
No idea if it's possible to make the shutter re-cock mechanism
independent of the mirror-return mechanism. That's what it reqires,
though...
Jostein
2009/5/14 Larry Colen <[email protected]>:
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.
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Larry Colen [email protected] http://www.red4est.com/lrc
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