Quote Originally Posted by barba


Especially since the IS on 300mm is not tripod sensing.
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Yeah. Unfortunately it's the first gen one so it can't []


Quote Originally Posted by neuroanatomist


It makes
sense that the Hybrid IS in the macro lens would be a little louder
during operation - there must be additional motors to account for
corrections in the XY plane as well as&theta;.


Good point. It makes sense that it would have to correct for such a small focusing area.