Phase One H 5 - Manual (Page 15)

Color Info
One of the most important displays of the Preview Window is the
“Color Info” window. This panel 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
window.
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 window 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; if any of the Red, Green or Blue (RGB) values approach
overexposure (a value of 255) adjust the exposure level. Keep image
highlights (areas that should record as white with detail, not as specular
reflection) between 225 to 250.
Gray Balancing
With film photography color bias in light sources, or film emulsion, can
be corrected using color correction filters. With the Phase One H 5 we
correct color bias by using the gray balance. Unlike many other digital
camera systems Phase One has made the gray balance feature easy to
use.
4.4
Editing and Selecting Images
4.5
Editing and Selecting Images
Develop Specification
This section of the Capture One application is used to control the final
output size of the image to be developed. A full image, with no
cropping will read approximately 26x17 cm (10x7 inches) at 300 pixels
(dots) per inch. The file size of this is approximately 18MB, as listed in
the “File Size” section. If a crop is made, the output size of the cropped
area will be listed in the Width, Height and Resolution fields. If you know
what size the image will be in its final printed form, you can enter the
measurements here and save the resizing step later.
For easy reference, the amount of free hard disk space on the computer is
displayed next to the file size. Be sure that there is always sufficient space
on the hard disk.
Each image can be named in the “Next image:” field. Naming your
images will make it easy for you to find and identify the photos later.
If no name is assigned, the software application will pick a name for
you based on the preferences you have set in the “Name” tab of the
“Develop File” section.