Actually, at a shutter speed of 1/250, wouldn't each point on the
film be exposed for precisely 1/250 of a second? Otherwise, the
effective shutter speed would be something else, in this example,
1/1000.
Walt Wayman
---------- Original Message ----------------------------------
From: "John A. Lind" <jlind@xxxxxxxxxxxx>
Reply-To: olympus@xxxxxxxxxxxxxxx
Date: Mon, 25 Mar 2002 03:55:41 -0500
(SNIP)
>
>From a standpoint of image acuity, shutter curtain travel time
>doesn't affect much, if anything. It's the amount of time any
>one point on the film is exposed to light that does count. I
>suppose it's possible to introduce a slight amount of image
>distortion as the camera will have shifted by the time the slit
>makes it from one edge of the film frame to the other, but at a
>1/250th shutter speed, no single point on the film is being
>exposed for more than 1/4th of that.
>
(SNIP)
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