Robin Wong’s Olympus OM-D E-M10 Mark IV Review
Preorders: Olympus E-M10IV at Adorama, Bhphoto. GetOlympus. Amazon. 100-400mm at Adorama, Bhphoto. GetOlympus. https://www.youtube.com/watch?v=rlGXX6Q28o8 And this is Stan Foxworthy take on the 100-400mm lens: https://www.youtube.com/watch?v=bidH5sG414U