Henry Posner/B&H Photo-Video wrote:
> The risk of polarizing ultra wide angle lenses when shooting outdoors is
> that the effect of the polarization on the sky is determined in part by the
> angle of the camera to the sun. When the camera is 90 degrees to the sun's
> axis the effect is most pronounced. With ultra w/a lenses, the angle of
> coverage is so great that the amount of polarization across the sky will
> vary noticeably from one side of the image to the other.
Please forgive my ignorance, but is this why photographers like Galen
Rowell tout GND filters?
Thanks,
Guy
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