Canon EOS 90D, Instruction Manual

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208
Correction of Lens Aberrations due to Optical Characteristics
Digital Lens Optimizer
Various aberrations from lens optical characteristics can be corrected, along
with diff raction and low-pass fi lter-induced loss of clarity.
If
[Correction data not available]
or
[ ]
is displayed by
[Digital Lens
Optimizer]
, you can use EOS Utility to add the lens correction data to the
camera. For details, refer to the EOS Utility Instruction Manual.
o
Depending on shooting conditions, noise may be intensifi ed together with the
eff ects of correction. Image edges may also be emphasized. Adjust Picture
Style sharpness or set
[Digital Lens Optimizer]
to
[Disable]
as needed
before shooting.
o
The higher the ISO speed, the lower the correction amount will be.
o
For movie recording,
[Digital Lens Optimizer]
will not appear. (Correction is
not possible.)
o
Enabling
[Digital Lens Optimizer]
corrects both chromatic aberration and
diff raction, although these options are not displayed.
o
Digital Lens Optimizer is applied automatically in Basic Zone modes when
correction data is registered on the camera.