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unwanted lens correction

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Offline JayB

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unwanted lens correction
« on: 26 / January / 2014, 09:48:40 »
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.jpg Images of my SX150 IS are corrected for lens curvature, resulting in a strait horizon, BUT with substantial BLURRING along the edges, and a slight reduced field of view in comparison to .dng images.
   Since RAW images are not lens corrected, I was wondering if it is possible to shoot .jpg images that way too? This would be of great help to obtain overall sharp images in case horizon-curvature does not matter (e.g. astro-photography)! I would be very thankful for any suggestions!!! :)

Kind regards,

JayB
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Offline msl

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Re: unwanted lens correction
« Reply #1 on: 26 / January / 2014, 10:41:56 »
Generally it's not possible. CHDK has no influence of the jpeg engine. The only way is the RAW/DNG function.

msl
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Offline JayB

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Re: unwanted lens correction
« Reply #2 on: 26 / January / 2014, 12:07:30 »
Ok, thanks for the quick response though!

JayB
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