objectif stabilisé EF 70/300 is usm

[SOULfly_B]

Mode 2 ? C'est le mode de stabilisation verticale uniquement ?

Exactement.

Cf le site de Canon pour plus de détails :

Many of the Optical Image Stabilized lenses have two modes of image stabilization:

* Mode 1 is for regular use (stabilizes vertical and horizontal movements)

* Mode 2 stabilizes normally, but allows for panning along with a moving subject