Given the judgement finding Sigma infringed Nikon's VR patent rights, where does this leave the Sigma ART Series lenses? Will they still be produced with a "penalty" paid to Nikon? Will Sigma have to withdraw the offending lenses? Will Sigma have to re-engineer their lenses to avoid patent conflicts? Does anyone know yet?
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Any chance you can tell us what Siggy lens you had, what your firmware was and what you upgraded to? I am thinking of the 18-35 f1.8 myself.
Also the Neewer grip whilst working caused the internal battery always to discharge first but the shot count was on the grip battery ....No comment from Neewer.
Nikon & Canon have been suing Tamron and Sigma for years over this. That is part of the reason why many companies like Olympus and Pentax moved to in-body stabilization or none at all (Fuji, Zeiss, and many Sony models.) Nikon & Canon file patents all the time on IS/VR and everything else so they have to be paid for their inventions. That is just good business practice.
That will surely bring comments for the VR feature being in the body.
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The benefit of IBIS is that it works for all of your legacy lenses, even manual focus ones and other lenses without optical stabilization.
You can still use "VR" lenses on IBIS bodies. In this case, you can choose which stabilization system to use -- the "in body" VR or the lens VR -- depending on the circumstance.
Of course Nikon doesn't make any camera with IBIS, so we don't have a choice... unlike users of other systems.