在f5.6, 1/80, 175mm, ISO640 的情況下~ * Notice that for 175mm focal length (effective range at 350mm), it is advised to shot at least 1/350 to avoid handshake. This picture is shot at 1/80. Though not at 100% super sharp, I am quite convinced that the Power OIS works pretty convincing.
There are times I don’t feel like carrying around all the full compliment of lenses (anyway i dun have many), I took only 1 body, 20mm f1.7 and 45-175mm for a short vacation at Bali. 20mm f1.7 comes good in low light shot and shorter distance, where 45-175mm comes in handy to cover a very good tele range. I will be fully rely on the Power OIS, and left tripod at home.
結論: Power OIS. I have tested few shots at maximum zoom, few stops below the recommended shutter speed (shutter spend > the focal length, ie 50mm -> max 1/50 sec), and the pictures turn out quite convincing. Though Oly PEN has a IBIS, in my opinion, the Power OIS comes much stronger and effective.
On the E-P3 the mega OIS is disengaged (the camera doesn't know how to turn it on) and I used the in body IS. Again Type 1 which works best for me.
When the 45-175mm is fitted to the Olympus E-P3, the OIS in the Panasonic lens is inactive. There is no way for the camera to switch it on or off, and it defaults to off. When I use it on the E-P3 the IBIS in the Olympus works, as it works with any lens.
Panasonic have removed the switch on several of their recent lenses. I was never sure whether this switch made it work on Olympus cameras or not. But the Olympus IBIS system seems to work just as well as the lens system of Panasonic, so whichever m4/3 camera you use this lens with, it will have IS.