The adjustment of the white balance by the choice of the target
There are two ways to use this function.
When you chose a point within the circle, this function applies the color effect to the image a , just like a lens filter.
Under mixed lighting conditions, when white balance is hard to achieveset.
When intentionally applying a white balance (color) shift for the artistic impression.
Adjustment of the tint deflection of the white balance.
Green and magenta casts are visible when mixed lighting is used to illuminate a subject or scene and where setting color temperature alone has little effect.
Color Deflection is a function that adjusts and helps remove these color like a green or magenta color casts.