Nikon LS-4500AF User Manual page 64

9. Technical Tips on the LS-4500AF
256 256
Output Output
0 0
4096
4096 Input
Input
White is being skipped
Black is being lost
CCD signal
black
A change of gradient means a change of gain. When a gamma value with
twice the gradient is set for only half of the input, 256-step output will be
obtained.
However, note that setting a gamma value with a sharp gradient toward the
black side means amplifying the noise element.
In addition to an auto-LUT function, the LS-4500AF has an LUT function
set by users, enabling downloading from an outside source.
256
Output
0
4096
Input
Nikon
44
Film Scanner LS-4500AF User's Manual