The Editor Window

Show Focus Area

To show the focus area used when the image in the active window was taken, select Show Focus Area from the Image menu.

The focus area is shown by red focus brackets.

Color Aberration Control

To reduce lateral chromatic aberration (col- ored fringes or halos) in RAW images taken with Nikon digital SLR cameras, select Color Aberration Control in the Image menu. This option is not available with multiple exposures or images created with image overlay (D2X/D200).

Show Focus Area

The focus area will not be displayed if the image was created using a COOLPIX-series camera, a non-CPU lens, or manual focus.

Lateral Chromatic Aberration

The refractive index of the lens varies slightly with the wavelength (color) of light. This results in changes in image magnification towards the edges of the image, producing a phenomenon known as lateral (or transverse) chromatic aberration.

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Nikon 4 user manual Show Focus Area, Color Aberration Control, Lateral Chromatic Aberration