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John Sheehy | all galleries >> Galleries >> tests > IMG_6800-1.jpg
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Taken with 20D, with flash, in manual mode. Top is ISO 100, bottom is ISO 1600. Left half, in black rectangle, has a USM of 250%,0.3px,0 in PS.

Tested to answer question of whether or not Canon uses detail-reducing noise reduction at high ISOs.

Canon EOS 20D
1/250s f/6.3 at 90.0mm iso100 with Flash full exif

other sizes: small medium original auto
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