Olympus Digital ED 40-150mm 1 M.Zuiko 2.8 per lens for Micro Four Thirds lens mount, black (Accessories)
Olympus announced this Pro Lens for autumn 2014 which has given to me in the early summer of last year, the rash, switch to Olympus. The tension rose as the manufacturer to optimize the autofocus donated specifically for the 40-150mm f2.8 a firmware