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3 Correction of Lens Peripheral Illumination and Aberrations
The camera already contains data for lens peripheral illumination
correction, chromatic aberration correction, and distortion correction for
approx. 30 lenses. If you select [Enable], the peripheral illumination
correction, chromatic aberration correction, and distortion correction will
be applied automatically for any lens whose correction data is
registered in the camera.
With EOS Utility (EOS 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 PDF (p.537) on the EOS Camera Instruction
Manuals Disk DVD-ROM.
Lens Correction Data
When distortion correction is enabled, the camera records an image
range narrower than that seen through the viewfinder. (Image periphery
will be slightly cropped and resolution slightly lowered.)
If you set [Distortion] to [Enable], the maximum burst (p.153) during
continuous shooting will decrease.
Distortion will not be corrected if you shoot a movie or set the HDR
mode, multiple exposures, or Multi Shot Noise Reduction.
Using distortion correction during Live View shooting will slightly affect
the angle of view.
When you magnify the image during Live View shooting, distortion
correction is not applied to the image displayed. Therefore, if the image
periphery is magnified, a part of the image range that will not be recorded
in the actual image may be displayed.
Dust Delete Data (p.407) will not be appended to images recorded with
distortion correction enabled. Also, the AF point(s) will not be displayed
(p.359) when you play back the image.