This monopod head is said to hold 11 lbs, well I guess it does if you mean your lens doesn't actually fall off but it does slip and wobble no matter how good I have it tightened. I have a 120-400mm Sigma lens that weighs 4 pounds, which is a lot less than the head's intended capacity. Useless for this lens. I can only use it with my Sigma 28-300mm so the buyer should be warned.
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