John Riley has just posted a full review of the newly announced Olympus M.Zuiko Digital ED 100-400mm F5.0-6.3 IS lens (Amazon/ B&H/ Adorama) at the ephotozine.com. He tested this new lens on Olympus E-M1 Mark III, and found such Pros: Very… Read moreOlympus M.Zuiko Digital ED 100-400mm F5.6-6.3 IS Lens Review (ePhotozine)