Hasselblad CF DIGITAL CAMERA BACK RANGE User Manual page 170

To use the color pickers:
1. Click on the appropriate eyedropper button for the type of tonal range
setting you would like to make. Your mouse pointer turns into the
selected eyedropper.
2. Move the mouse pointer over the preview image; note pixel value
readings that appear in the Color area of the main FlexColor
window. Note that the numbers displayed in the Color area are the
current values (after histogram or gradation settings).
3. The Detail window can help you see individual pixels. To open the
Detail window, type cmd-5 or select Detail from the Window menu
(or click on the Detail button in the Zoom area of the main FlexColor
window).
To use the magnifier function of the Detail window push the
Magnifier button. Note that the pixel selector is out-lined at the center
of the window.
4. Place the tip of the eyedropper over an appropriate pixel in the
preview image.
• When selecting a highlight point, select an object in the image that
you would like to have print white. Check the pixel values at
several potential white points to help you pick the best one (usually
the brightest one that is not already at the maximum of 255 in any
of the colors). All pixels brighter than the one you selected will
burn out.
Software Reference - FlexColor 4.0 for Camera Backs
The Histogram Window
The Histogram Color Pickers
Magnifier Button
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