FastRawViewer Software 2.0 (Download) - Manual (Page 77)

FastRawViewer – user manual
Page 77 of 175
Copyright © 2014-2016, LibRaw LLC, www.libraw.com
The available white balance indication modes are chosen through Preferences – White
Balance – White balance display mode
a. Color Temperature/Tint – a mode commonly used in RAW converters.
b. Mired/Tint – instead of correlated color temperatures, the value indicated is in Mired.
c. WB Coefficients – the per-channel coefficients (factors) of white balance are shown.
d. Channel EV Correction – the per-channel correction factors in EV (stops) of white
balance are shown.
The calculation of color temperature/tint is not possible for all the cameras. It is also not possible for
extreme white balance coefficients. Here are the limitations:
1. FastRawViewer must have the color data for the camera (for the vast majority of modern
cameras, it does).
2. The camera has to be RGB and tricolor. CMYG, RGBE, and other non-RGB cameras are not
supported.
3. A range of color temperatures from 1667 to 25000K is supported. If you set the manual
balance (see below) from a deep blue or a dark red area, then calculating the temperature
may be impossible.
For those cases where the calculation of color temperature is impossible, the indication of CCT/Tint
or Mired/Tint values is changed to “---/--“.