Sony RX10

Awesome camera, but i'm somehow disapointed by the wobble appearing when zooming in and out from 70 to 200mm.
This test was shot on a manfrotto tripod, some vibrations are induced by myself trying to hold the camera steady while using the zoom trigger but as you can see some wobbling is clearly coming from the zoom motor.
Image stabilisation was on.
I tested another camera in a store and it behaved in the same way.

Are all RX10 having this problem ?

j vimeo.com/96210472

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