
What a difference sunglasses make to pictures. Take a look at the first shot here. The focus here is the roof of the house smack in the centre of the picture. In the afternoon, the glare of sunlight from the roof is clearly visible.

This picture here was taken just a few seconds later, but with a pair of sunglasses held up over the lens. Compare the roof with the one in the previous picture. The glare is gone, and the red tiles of the roof can be seen.