Nikon NX-D nMaster Lightness, ness curve to linear, color lightness, chroma, and hue curves to

Introduction

Viewing Pictures

Filters

Image Adjustment

Other Features

Menu Guide

Tool Buttons

LCH

The LCH color space models color using values for lightness (a property similar but not identical to brightness or luminance), chroma (color satura- tion), and hue. These parameters can be accessed via the channel menu in the image adjustment palette when the LCH tool is selected.

nMaster Lightness

Adjust overall lightness without affecting chroma or hue.

qAuto Contrast: Increase contrast by settingqwer the white and black points to exclude a set

proportion of the brightest and darkest t pixels in the image.

wAdd Anchor Point: Click this button and then click the image in the preview palette to y add a point to the curve corresponding to the lightness of the pixel under the cursor.

eReset Current Channel: Reset the master light-	u
ness curve to linear.	i
rReset All Channel: Reset the master lightness,
color lightness, chroma, and hue curves to	o	!1
linear.
tWhite-point output-level slider: Choose the		!0
maximum output level (white point).

yHistogram: The histogram shows how the pixels in the image are distributed with respect to lightness. The horizontal axis corresponds to lightness (in the range 0–255), the vertical axis to the number of pixels.

uLuminosity curve: The slope and shape of the curve determines the lightness of the image in the corresponding portion of the tone range.

iBlack-pointoutput-level slider: Choose the minimum output level (black point). oBlack-point input slider: Choose the minimum (black point) input level. !0Gamma: Choose the midpoint (gamma value).

!1White-point input slider: Choose the maximum (white point) input level.

nColor Lightness

Adjust the lightness of selected colors without
affecting chroma or hue. This can be used, for
example, to brighten the blue of a dark skies.	qwe
qAdd Anchor Point: Click this button and then
click the image in the preview palette to
add a point to the curve corresponding to
the value for the pixel under the cursor.

wReset Current Channel: Reset the color light- r ness curve to linear.

eReset All Channel: Reset the master lightness, color lightness, chroma, and hue curves to linear.

rColor lightness curve: Moving a point on the curve upwards makes colors in the affected portion of the color range brighter, while

moving it downward makes the affected	t
colors darker.

tWidth slider: Adjust the width of the curve that passes through the selected point, increasing or decreasing the range of colors affected by the change.

Capture NX-D Reference Manual 27