Nikon NX2 user manual Watch Points, Clear, To use the Double Threshold feature, follow these steps

To use the Double Threshold feature, follow these steps:

1Enable the Double Threshold checkbox within the “Histogram” section of the Photo Info palette.

2If no black pixels appear in the image, slowly drag the shadows slider to the right. Once you notice black pixels appearing, release the mouse button. If large groups of black pixels are displayed, try

moving the slider back to the left slightly. It is recommended that you find a value for the shadows slider as close as possible to where the first black pixels appear.

3Then, if no white pixels appear in the image, slowly drag the highlights slider to the left. Once you notice white pixels appearing, release the mouse button. If large groups of white pixels are

displayed, try moving the slider back to the right slightly. It is recommended that you find a value for the highlights slider as close as possible to where the first white pixels appear.

4Your image now shows the lightest and darkest pixels. This feature is typically used to assist you with finding those pixels for placing white and black points (either control points or points from within the Levels & Curves feature). After placing white and black points, disable the Double Threshold checkbox to continue working on your image.

Shortcut

Toggle the Double Threshold option on and off: Shift + T

eClear

Press the Clear button to clear ranges added to the histogram or the values set for the shadows and highlights sliders of the Double Threshold option.

Watch Points

The “Watch Points” section of the Photo Info palette displays the position and color of the pixel under the mouse pointer.

A Please note: Values for the different channels range from 0 to 255, with values for 12 and 16-bit images being scaled to fit into this range.

Chapter 16 — Photo Info Watch Points 153