The performance of this lens is hard to believe. I have the Oly 12-40 F2.8 Pro. This lens is half the weight 20% of the cost and has 90% of its performance. Period. I bought this with the Panasonic GF6 as its kit lens. It converted me to M4/3 so I got an OMD M1. This lens is responsible!
Light, sharp, cheap, good OIS; Unbelievable...
Speed