I have a Nikon D200. My question is about automatic whitebalancing on photographs. For some reason I find the camera tends to get some shots very wrong. Examples include on an overcast day with some sky visible where the shots come out too blue, or on an overcast day photographing snow, or photographing inside of churches lit by outside sunlight only. In all cases the autowhite balance fails to get it right. In the first case the correct setting appeared to be cloudy +2, the second cloudy +0 and the final one setting it to sunlight. If these are in the normal range of the camera why does it sometimes go so wrong? Do other photographers here always set their whitebalance manually with a grey card?