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Old Oct 31, 2010, 10:46 PM   #1
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Default Pentax K5 ISO part 2, *Warning image intensive*

Under T5 fluorescent light:
Below image just resize only, no pp.
ISO 80, 100, 200 & 400
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Old Oct 31, 2010, 10:49 PM   #2
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Iso 800, 1600, 3200 & 6400
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Old Oct 31, 2010, 10:51 PM   #3
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ISO 12800, 25600 and 25600 with topaz denoise
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Old Oct 31, 2010, 10:54 PM   #4
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below image in following order:
ISO 51200 with NR set to off
ISO 51200 with NR set to low
ISO 51200 with NR set to medium
ISO 51200 with NR set to high
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Old Oct 31, 2010, 10:57 PM   #5
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Default 100% crop in the centre of the image:

100% crop in the centre of the image:
ISO 80, 100, 200 & 400:
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Old Oct 31, 2010, 10:59 PM   #6
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Iso 800, 1600, 3200 & 6400
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Old Oct 31, 2010, 11:00 PM   #7
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ISO 12800, 25600 & 25600 with topaz denoise
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Old Oct 31, 2010, 11:03 PM   #8
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below image in following order:
ISO 51200 with camera NR set to off
ISO 51200 with cameraNR set to low
ISO 51200 with camera NR set to medium
ISO 51200 with camera NR set to high
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Old Oct 31, 2010, 11:03 PM   #9
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Thanks for viewing
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Old Nov 1, 2010, 1:28 AM   #10
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Hi AS,

Some more good examples of what we can expect from the K-5.

Topaz makes another plugin that can even out the blotchiness of the very high ISO settings. It causes loss of detail, but that really has to be expected. I first applied "Clean" to the 51200 crop with the"skin even" preset, bumped the threshold and radius settings up to even the blotchiness, then used Denoise 5 to smooth the coarse grain left by "Clean" and added some fine grain to hide some minor squiggly artifacts that DN5 created. I have a feeling that combining "Clean" with some downsampling, sharpening, and DN5 will produce some surprising results. . .

Here's the result. Not pretty, nor detailed, but it's got some promise as a technique, and 100% crops from 16MP are a lot different from looking at the whole image. . . I'm looking forward to experimenting with some other off-the wall PP combinations when I get a K-5. I'm posting it next to the original to make it easier to compare. Pretty astounding considering this is 4-5 full stops beyond what I ever thought possible with digital photography!

Scott
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