Leica 50-200mm F2.8-4 -SHARP!!!
OM-D E-M5III Review at StuffBlog.de.
Leica 10-25mm f/1.7 tested by Jim Chung.
The Savvy Winter Bird Photographer (Explora).
Shooting with the Olympus OM-D E-M5 Mark III in Sonoma County (Dpreview).
Plenty of news on the facebook E-M1II group, Panasonic FF and the GH5 group.