I was thinking the same thing Rick! Sandstorms would be at the top end of risks. I hope the wind was to his back! Such conditions are where I would use a protective filter to avoid abrasion of the front element of the lens - along with sea salt and other environmental threats to the glass.
cheers, TREVOR
The mark of good photographer is less what they hold in their hand, it's more what they hold in their head;
"All the variety, all the charm, all the beauty of life is made up of light and shadow", Leo Tolstoy;
"Skill in photography is acquired by practice and not by purchase" Percy W. Harris
