Canon EOS-1D C Picture Style Editor Ver.1.15 for Macintosh Instruction Manual - Page 12

Setting Sharpness, Contrast, Color Saturation and Color Tone Drag each slider.  The settings are applied to the image. [Fineness] or [Threshold] in [Sharpness] cannot be set for the images shot with a camera which does not have [Fine Detail] as a preset Picture Style. Adjusting the Gamma Characteristic for RGB You can use the tone curve to adjust brightness and contrast under RGB. Use the tone curve in this tab sheet before adjusting with the [Six ColorAxes] tab sheet or [Specific Colors] tab sheet. Adjust the brightness and contrast. Introduction Contents Preparing a Sample Click to add a [ ] (adjustment point) and adjust by dragging Basic Windows Pre-adjustments The value of the selected point (you can also enter numerical values)  The brightness and contrast of the image change.  The horizontal axis shows the input level and the vertical axis shows the output level.  The maximum number of [ ] is 10.  To delete a [ ], select the [ ] and then either press the key on the keyboard or double-click on the [ ]. Image Characteristics Saving Preferences Reference Note that if you adjust the tone curve in the [Basic] tab after making adjustments with the [Six Color-Axes] tab sheet or [Specific Colors] tab sheet, the color characteristic will be further adjusted and intended image characteristics may not be achieved. To further adjust brightness and contrast after adjusting with the [Six ColorAxes] tab sheet or [Specific Colors] tab sheet, use the tone curve for adjusting luminosity in the [Specific Colors] tab sheet. 11