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04-29-2011, 06:10 PM   #1
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picture clarity

when i'm using my SMC Pentax 300/4MF lens on my K200D, i'm getting a pink-halo
over the white subjects. can anyone let me know how to correct it?

04-29-2011, 07:08 PM   #2
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Sounds like a familiar problem, but without seeing an example of what's going on, its going to be rather hard to figure out the cause.

Can you take a sample shot of the phenomenon and post your settings along with it?
04-29-2011, 07:18 PM   #3
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04-30-2011, 03:06 AM   #4
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i'm posting a pic which shows the pink-halo over the bird.

04-30-2011, 04:33 AM   #5
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Chromatic aberration.
Are you shooting wide open? That would make the CA effect worse.
Stop down to at least f/5.6 and you may see this essentially disappear.
See here: Chromatic aberration - Wikipedia, the free encyclopedia, Correcting and Preventing Chromatic Aberration | Tutorial9 and Chromatic Aberration: Optical: Glossary: Learn: Digital Photography Review
04-30-2011, 07:45 AM   #6
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hi Ash & Wheatfield
thanks a lot for the information. shall try next time. let me see.
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