Canon EOS 1Ds Mark III Белая книга - Страница 27

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results are applied in real time to the image displayed in the [Lens aber-

ration correction] window. One can then check the effects of distortion

and peripheral illumination on the entire displayed image. One can also

enlarge a section of the image to check for chromatic aberration or color

blur by clicking in the section to be checked. That section then appears

enlarged to 200% in the top right corner of the [Lens aberration correc-

tion] window, allowing one to check the effects in detail.

If one is not happy with the results of the corrections performed by

DPP, one can use the sliders for the different correction factors or the

shooting distance to make additional adjustments. Also, one can

correct red chromatic aberration with the [R] slider of the [Chromatic

aberration] or blue chromatic aberration with the [B] slider.

(Note that correcting peripheral illumination

may result in noise appearing around the

image periphery. One may be able to alleviate

this noise by using the DPP noise reduction

functions (luminance noise or chrominance

noise reduction). In some images, using

distortion correction may cause areas around

the image periphery to be deleted. Also

occasionally, color blur correction may have

no discernible effect. Finally, color blur

correction may also reduce color saturation

in some images.)

After completing the corrections, click the [OK] button to

close the [Lens aberration correction] window. At that point,

the corrections are applied to the image in the edit window

and the corrections (ON or OFF) also appear in the tool palette.

Brightness Warning

The brightness warning display function has also been added.

Display Function

It is useful in preventing excessive adjustment and in checking

white flare or shadowing in images. One can use the

[Preferences] window to specify separate

settings for highlights and shadows in the

warning display range settings. If one selects

the [Highlight] or [Shadow] setting in the [View]

menu, highlights that exceed the specified

range are displayed in red and shadows that

exceed the range are displayed in blue in the

image in the Edit or Edit Image window.

VI. SOFTWARE

the Tool Palette

Lens Aberration Correction Window

Warning Display Settings in

the Preferences Window

Edit Window (with Warnings Displayed)

[NR/Lens] Tab in