ndsol:

You're just barely outside the weight range they specify. I want to do some more tests with a heavier, wider-angle lens that will put the camera "package" up there in the weight range yours is. I'm going to buy some more "weights" for the counterbalance, which are nothing more than different-sized fender washers. If it works with that heavier lens, I'll let you know, 'cause it should then work for you.
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- kevon

(avatar: raptor, Lake Dillon)