Quote Originally Posted by Steve U


A couple of questions to you or other members..


The dark semi-cicle at the top of the image, is caused by what?



Steve,


That dark blue in the upper center has to do with a polarizing filter on a wide angle lens (24mm in this case, on a FF body).


Sometimes the CPL can't polarize the light evenly across a wide sky, which makes the color discrepancy more noticeable.


Beautiful shot Rick!





Rich