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Old 06-03-2008, 05:00 PM
Dennis
Dazzled by the Cosmos.

Dennis is offline
 
Join Date: May 2005
Location: Brisbane
Posts: 11,709
Hi Eric

I haven’t yet tried the experiment at those relatively fast shutter speeds. IIRC, the 40D shutter is a focal plane shutter with two blinds producing a slit as they travel across the sensor area?

At the highest speeds, the slit would be very narrow; at slower speeds, one blind would have completely opened before the 2nd blind began to close?

Cheers

Dennis
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