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Technophile -> RE: Flash Chat (7/30/2008 7:28:47 PM)
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quote:
ORIGINAL: PolarBear
And here's a rose shot that I think is decent. Also taken at an accidental 1600 ISO.
http://yoderdev.com/photos/080725-rose.jpg
Shrunk, not cropped.
Both this and the bee were taken with the Canon 100mm USM macro lens.
if there is plenty of light, then the noise will be very minimal. the noise in ISO1600 will usually show up more in low light situations. but even then, my 30D handles the noise very well.
really the only kind of noise that bothers me is the chroma noise. luminance noise looks more natural, like a "texture" to the photo. theres an easy way in photoshop to fix chroma noise. first i duplicate the background layer, and choose noise > median on the top layer (through one of the menus, i forget), and set the pixels to about 10. could go less if 10 is too strong. then choose the blending mode between layers to "color", and the chroma noise should be significantly reduced or eliminated, leaving only luminance noise behind. this takes maybe 15 seconds, depending on how fast of a clicker you are.
just be careful, because this could de-color some sharp colored corners of thin colored lines in the photo (i.e. signs with text). when this happens in my photos, i'll try to un-select those areas, so the median blurring misses those areas.
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