First a rant, frankly, given the price of the craft, deliver without visor nor a bag, it's stingy! But otherwise, it's only happiness, right from the first contact. Mechanical old all metal is smooth, as it almost matches the building Zeiss Planar ZM series but with a racing AF, besides switching between AF and manual focus is immediate, beautiful book, it is on. The optical capacity is striking in the central area while the resolution in the corners is very good. The M.Zuiko 12mm f / 2 ED is not far from perfect, however, the price is too high, especially since it is necessary to add 70 euros for the metal visor LH-48 ...