Check out this post I wrote for the Singh-Ray blog!
“Traveling the back roads and narrow trails of Asia, Africa and South America for hours at a time to reach the world’s most remote tribal areas and cultures gives National Geographic photographerNevada Wier plenty of time to think about the gear she takes with her… what stuff is important and what might not be. “Believe me, my filters are important. In particular three kinds of Singh-Ray filters go with me everywhere. There’s a Hi-Lux filter on each of my lenses, and I also carry a 77mm LB Warming Polarizer and a 77mm Vari-ND filter. Each one of these filters is essential and fits neatly in my camera bag that I have to carry around all day.
“I keep a Hi-Lux UV filter on each lens because I want the best possible glass between my lens and the world. I photograph in extreme elemental conditions — rain, snow, fog, hot days, cold nights… you name it. I’ve learned the importance of protecting my valuable lenses. However, I do not want a filter that degrades my image quality so I always go with the Hi-Lux.
To read the rest go to … http://singhray.blogspot.com/2010/06/on-narrowest-trails-in-most-faraway.html