Originally Posted By: dan brothersTo me... you just gotta have back support for steady shots. The chair like Bob posted is a very good one, especially with a long legged bipod.
Now I'm not experienced AT ALL, but that's my general take on things.
Get one of those folding stadium seats or a snap-together fabric and foam one, pair it up with a tall tripod and mount, and you can last for as long as you need, really.
At least, that's the direction I'm going..