Another WB question.

[pahl]

When I set my custom WB on my camera is there anything that would ever change the setting.

For example, if I set the custom WB and stay in the same light settings should I reset the custom WB if I change lens, ISO, batteries, etc...?

[claudermilk]

Except for changing light color, no. The camera components won't make a difference, ISO settings should not make a difference.

OK, to be fair, lenses do have very slight color casts. In the field, this is so minor as to be undetectable, so nothing to even worry about.

[Shay Stephens]

I agree with claudermilk. The only thing that significantly changes the WB is the lighting and the surroundings that reflect that lighting.