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Exposure Tab
One of the most important displays of the Exposure Tab Window is the
“Color Info” window. This display shows the individual Red, Green and
Blue channel information. With film photography the evaluation of final
exposure and development levels is a manual, and often subjective,
process. With digital photography accurate evaluation is made using
the Color Info picker. By pointing the on-screen cursor at any point in
the image you can read the precise values of that point in the Color Info
display. Knowing the precise values of any part of the image is useful
when full control of the printing process is needed. As printers, and
printing processes, have individual characteristics, exposure levels can
be adjusted to ensure a predictable and perfect result.
Values in the Color Info display are represented as a numerical scale
from 0 to 255. A completely black pixel is represented as 0, a
completely white pixel as 255. Again, it is important not to overexpose
an image when using the Phase One H 5; if you see any of the Red,
Green or Blue (RGB) values approaching overexposure (a value of 255)
you need to adjust the exposure level. Keep image highlights (areas that
should record as white with detail, not as specular reflection) between
225 to 250.
Finally there are four options designed to help in the gray
balancing process.
Set as Capture gray balance
The selected gray balance is applied to all future captures.
Restore
All adjustments to the gray balance are cancelled and previously defined
values are used.
Reset
All color balancing is cancelled.
Apply gray balance to current captures
The selected gray balance is applied only to current captures.
Editing and Selecting Images
13.8
Editing and Selecting Images
13.9