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Old Jul 7, 2005, 1:50 AM   #1
Frangible
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Join Date: Jun 2005
Posts: 59
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To investigate the effects of exposure time on blur in the DSC-T7 I performed a small test at varying shutter speeds.

All the shots were taken by an unsupported (ie: handheld) T7.

No postprocessing was done other than the crop.


ISO64, 1/2 sec. No flash. Two flourescent lights on.



ISO100, 1/4 sec. No flash. Two flourescent lights on.



ISO200, 1/8 sec. No flash. Two flourescent lights on.



ISO400, 1/15 sec. No flash. Two flourescent lights on.



ISO400, 1/30 sec. No flash. Three flourescent lights on.



ISO400, 1/40 sec. Flash used. Three flourescent lights on.

In conclusion, I feel 1/40th of a second is the minimum shutter speed for me to take unsupported non-blurry pictures while having minor hand trembling from caffeine.

I also found the best way to hold the T7 is with both hands forming a "V" and touching at the ball below the thumb, while resting the elbows on the torso.
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