Canon SL1 Manual Do Utilizador

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 Lens Peripheral Illumination / Chromatic Aberration Correction
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The camera already contains lens peripheral illumination correction 
data and chromatic aberration correction data for approx. 25 lenses. If 
you select [Enable], the peripheral illumination correction and 
chromatic aberration correction will be applied automatically for any 
lens whose correction data is registered in the camera.
With EOS Utility (provided software), you can check which lenses have 
their correction data registered in the camera. You can also register the 
correction data for unregistered lenses. For details, refer to the EOS 
Utility Instruction Manual (p.368) on the Software Instruction Manual 
CD-ROM.
Notes for Peripheral Illumination Correction and Chromatic Aberration 
Correction
Lens Correction Data
 
Peripheral illumination correction and chromatic aberration correction 
cannot be applied to JPEG images already taken.
 
When using a non-Canon lens, setting the corrections to [Disable] is 
recommended, even if [Correction data available] is displayed.
 
If you use the magnified view during Live View shooting, the peripheral 
illumination correction and chromatic aberration correction will not be 
reflected in the image shown on the screen.
 
If the effect of the correction is not visible, magnify the image after 
shooting and check it again.
 
Corrections can be applied even when an Extender or Life-size 
Converter is attached.
 
If the correction data for the attached lens is not registered to the 
camera, the result will be the same as when the correction is set to 
[Disable].
 
If the lens does not have distance information, the correction amount will 
be lower.
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