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| Sigma/Tamron/Tokina 3rd party lenses/flashes and accessories from Sigma, Tamron and Tokina. |
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30th September 2008
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#1 |
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Member
Join Date: Apr 2008
Location: singapore
Posts: 146
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sigma lens: color varies with f-stop changes
Hi,
Just to find out from fellow 'shooters', does your Sigma lens display slight variation in colors in different f-stops? I am not talking about color brightness or dimness in pictures, but actual color variation (e.g. different shades of green, red or blue) Is this a characteristics in Sigma lens or any other lenses too? Can someone help me with a scientific explanation? Advance thanks to all who replies. |
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30th September 2008
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#2 |
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Senior Member
Join Date: Sep 2004
Location: Punggol
Posts: 10,760
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Re: sigma lens: color varies with f-stop changes
it could be you are using auto WB, so the WB of a series of photos can be a little different, beside, the reproduce of colors can be different when the exposures are not the same.
show us the photos... |
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28th October 2008
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#3 |
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Member
Join Date: Apr 2008
Location: singapore
Posts: 146
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Re: sigma lens: color varies with f-stop changes
Hi,
Probably a mistake on my part with the WB. anyway, thanks for the input. Thread closed. |
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