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3 Correction of Lens Aberrations due to Optical CharacteristicsN
214
Cautions for Lens Correction
Peripheral illumination correction, distortion correction, chromatic
aberration correction, and diffraction 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 magnified view during Live View shooting, the peripheral
illumination correction and distortion correction will not be reflected in the
image on the screen. Note that the Digital Lens Optimizer and diffraction
correction will not be applied to the Live View image.
The correction amount will be less (except for diffraction correction) if the
lens used does not have distance information.
Notes for Lens Correction
The effect of the lens aberration correction varies depending on the lens
used and shooting conditions. Also, the effect may be difficult to discern
depending on the lens used, shooting conditions, etc.
If the correction is difficult to discern, magnifying and checking the image
after shooting is recommended.
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] (except for diffraction correction).
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