I am planning on hiking in Nepal in 4 months. Our group will employ sherpas. Since it will be a once-in-a-lifetime trip, I want be sure that I have what is needed, but also want to travel light (a real dilemma). Having no similar experience, I need help in several areas.
Presently, I have a small 7MP digital camera, and am awaiting delivery of a Nikon D3 (I know it's heavy) and would like to shoot digital. I have Nikon 70-200mm, 17-35mm, 24-85mm, and 50mm lenses with my existing F100. My old FM2 needs to be rebuilt, as the shutter has locked up. I have a Gitzo GT1530 tripod and a circular polarizing filter.
What lenses, filters (graduated, etc.), bags, straps, protective gear, and other tools do you suggest, even if they differ from what I have? I would also appreciate any general suggestions (since I have probably not asked all of the right questions), including thoughts on the effects of climate and altitude on such equipment and texts to read. I have never focused on landscapes before and would like to improve the odds of taking good pictures. I won't get another chance.
Thanks!
Wayne