Omer Nezih Gerek wrote:
> How does the OTF trigger faster than 1/60? Or does it? Only at 1/60 or
> slower, the shutter is completely open, and if the sensor detects over
> exposure (integral of the ligh, depending on ASA) immediately, it should
> start closing the shutter. Is there a faster reaction system in OM's?
> Does it, for example, trace the shutter horizontally, as well? The stripe
> that traces the shutter plane during 1/1000 is quite narrow. Is it
> possible for the sensor to react so instantly that the second curtain
> starts following the first opening immediately to produce 1/1000th?
>
Easy, it measures the ligth before it opens the shutter. If the results
indicate a shutter time faster then 1/60 the shutter opens at that speed
and will not change. For slower speeds the camera makes a OTF exposure.
Richard
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