Canon T5 사용자 설명서

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3 Correcting the Image’s Dark Corners
The camera already contains lens peripheral illumination correction 
data for approx. 25 lenses. In step 2, if you select [Enable], the 
peripheral illumination correction will be applied automatically for any 
lens whose correction data has been registered in the camera.
With EOS Utility (EOS software, p.318), 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.321) on the Software Instruction 
Manual CD-ROM.
Lens Correction Data
 
Peripheral illumination correction cannot be applied to JPEG images 
already taken.
 
Depending on shooting conditions, noise may appear on the image 
periphery.
 
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 will not be reflected in the image shown on the 
LCD monitor.
 
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 has not been registered to the 
camera, the result will be the same as when the correction is set to 
[Disable].
 
The correction amount applied will be slightly lower than the maximum 
correction amount settable with Digital Photo Professional (EOS 
software).
 
If the lens does not have distance information, the correction amount will 
be lower.
 
The higher the ISO speed, the lower the correction amount will be.
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