it would be interesting to know more specifics, if Wiki is correct
Canon were first with putting IS in a SLR lens.
since its in other things, like binoculars, video cameras etc, makes me wonder if its something specific that Sigma have copied from Nikon?
Or if its something recently that Sigma have done in the their latest lenses, ie copy the transducers that Nikon use, see link below
History of VR from Nikon`s website
Here is the best I could find on Canon`s IS
http://www.canon.com/camera-museum/tech ... ebure.html