The tripod collar for the old F* 300/4.5 is equally inviting, or maybe even more so because of the Pentax factor :)
And double as a handle too. :-) But what were Pentax thinking? They either gave you nothing or made the tripod collar real BIG! Didn't they know that damn thing fits nowhere in any camera bags?
Really, I don't know why anyone would expect to handhold a lens exceeding 1kg in weight (e.g. any 70-200/2.8, or 300/4) and get away with that using "new technology". IS is based on the assumption that you can lift the lens up, because no electro-optical system could provide an anti-gravitational field to help you with that part. After only half a roll or so my arm fatigue would impair my judgement resulting in poor pictures. Admittedly I am quite frail and I am getting older. 10 years ago I was very to happy to lug around those monsterous 2.8 zooms.
I agree that those 2.8 zooms are heavy to carry and not that welcome for handheld. That was why I bought the 200/2.8 instead (already hv 77/100 for the short end). But whenever I saw some super sharp handheld pictures with those IS/VR teles, I said to myself, damn I couldn't do that.
regards, Alan Chan
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