Canon EOS-1D X Manual (en)

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You can apply the same corrections to several images by first selecting 
multiple images in the main window, and then performing correction 
procedures 
Also, you can apply same corrections by copying the recipe of the 
corrected image and pasting it onto the multiple images 
.
Some noise appeared in the periphery of an image after 
correcting [Peripheral illumination] 
You can reduce the noise by using luminance and/or chromatic noise 
reduction of the noise reduction functio
. However, if you had 
applied high amount of [Peripheral illumination] correction to the 
images that have been shot at night or with a high ISO speed, the 
noise might not be reduced.
The image appears with less resolution after correcting 
[Distortion]
You can make the image similar to the one before correction by 
applying more sharpness with the sharpness adjusting function 
.
The colors of the image became weaker after correcting [Color 
blur]
You can make the image similar to the one before correction by 
adjusting the color tone 
 and/or the color saturation 
 to 
make the color deeper.
The result of [Color blur] correction cannot be detected
[Color blur] correction is effective for correcting blue or red color blur 
which occurs at the edge of the highlighted area of an image. If 
conditions do not match, correction cannot be made.
Additional information
Correcting Multiple Images at a Time
The periphery of the image may be truncated when [Distortion] 
correction is made.
This function enables the resolution of images to be increased by 
removing any remaining aberration related to image-forming capability 
or any deterioration of resolution resulting from diffraction phenomena. 
These optical phenomena cannot be corrected under Lens aberration 
correction 
. Correction is achieved using the designed value of 
each lens. The images that can be corrected are RAW images shot 
using any of the following “Compatible Lenses”. JPEG, TIFF, S-RAW, 
and M-RAW images cannot be corrected. To use this function, [Lens 
data] for the lens used to shoot images first needs to be downloaded to 
your computer. Before using the Digital Lens Optimizer, it is 
recommended that you set [Sharpness] or [Strength] for [Unsharp mask] 
for images to 0.
Wide angle lenses
EF 14mm f/2.8L USM
EF 14mm f/2.8L II USM
EF 20mm f/2.8 USM
EF 24mm f/1.4L II USM
EF 24mm f/1.4L USM
EF 24mm f/2.8 IS USM
EF 28mm f/1.8 USM
EF 28mm f/2.8 IS USM
EF 35mm f/1.4L USM
EF 35mm f/2 IS USM
Standard and medium telephoto lenses
EF 40mm f/2.8 STM
EF 50mm f/1.4 USM
EF 50mm f/1.2L USM
EF 85mm f/1.2L USM
EF 85mm f/1.2L II USM
EF 85mm f/1.8 USM
EF 100mm f/2 USM
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Digital Lens Optimizer
Compatible Lenses
COP
Y