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Author Topic: Sigma sd9 noise filter  (Read 1330 times)
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« on: April 01, 2004, 05:46:31 PM »

I have noticed on the sigma 9 & 10 that the noise seems to be horizonztal bands on the lower 1/3 of the sensor as well as splotches of noise that is spillover(possibly?). Has any one found a way of isolating the noise & subtracting it from a channel? The horizontal bands seem to be a function of the chip not so much,the light falling on it. So could it be a firmware issue or a raw conversion  solution to part of the noise prob. Is there another software raw conversion that could work. I remember some time back on a forum, some one opened a x3f file with something other than spp 2.0 I tried renaming a x3f to different raw formats and trying ps cs but no luck. I'm not trying to start a debate on the merits or lack of, simply trying to find another path other than bluring a layer to mask the prob. thanks for any thoughts
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