RDKirk
19th of December 2004 (Sun), 19:23
Has anyone found a clear (but technical) explanation of what "faithful settings" does in Canon DPP?
The only explanation from Canon I've found was in the "technical report" in the Technical Hall of the Canon Camera Museum:
"The color adjustment function employs three setting modes: Shot settings, Faithful settings and Custom. Among them, Faithful settings has come to the attention of professionals, because this setting adjusts colors so that the images taken in ambient light of about 5200K are colorimetrically faithful to the subject's color tone."
http://www.canon.com/camera-museum/tech/report/200407/report.html
I'll admit I don't really understand what this is saying. It's not just a color temperature setting (that is, setting the white balance adjustment to 5200K doesn't have the same effect).
After processing test color patches as both "Faithful Settings" and "As Shot" setting (White Lighting flash at 56000K setting), I checked the RGB content in Photoshop:
Faithful As Shot
White: 251/247/244 250/247/247
18% gray: 149/142/142 145/138/143
Red: 254/32/57 255/104/113
Magenta: 255/26/55 255/90/135
Blue: 120/86/171 132/95/173
Cyan: 0/203/238 105/213/250
The cyan, red, and to a lesser extent, the blue were punched up by the Faithful setting. As you can see the Faithful setting renders red and magenta nearly identically.
The only explanation from Canon I've found was in the "technical report" in the Technical Hall of the Canon Camera Museum:
"The color adjustment function employs three setting modes: Shot settings, Faithful settings and Custom. Among them, Faithful settings has come to the attention of professionals, because this setting adjusts colors so that the images taken in ambient light of about 5200K are colorimetrically faithful to the subject's color tone."
http://www.canon.com/camera-museum/tech/report/200407/report.html
I'll admit I don't really understand what this is saying. It's not just a color temperature setting (that is, setting the white balance adjustment to 5200K doesn't have the same effect).
After processing test color patches as both "Faithful Settings" and "As Shot" setting (White Lighting flash at 56000K setting), I checked the RGB content in Photoshop:
Faithful As Shot
White: 251/247/244 250/247/247
18% gray: 149/142/142 145/138/143
Red: 254/32/57 255/104/113
Magenta: 255/26/55 255/90/135
Blue: 120/86/171 132/95/173
Cyan: 0/203/238 105/213/250
The cyan, red, and to a lesser extent, the blue were punched up by the Faithful setting. As you can see the Faithful setting renders red and magenta nearly identically.