mflowe wrote:
That's a possibility or reflection on one of the internal lens elements. When I said it was a crepuscular ray I only meant that it was coming from the sun overhead, not something on the lens or something in front of the lens.
I agree. At first I thought Linda's thoughts might be accurate, but I could not explain the missing blur for the corners for something on or in front of the lens. Just one of those weird internal reflection that seem to occur very rarely (thank God!).