![Olympus 150 - 400mm f4.5 Pro - [Details in the City]](https://i.ytimg.com/vi/jZr3nA83SVU/hqdefault.jpg)
Olympus 150 – 400mm f4.5 Pro – [Details in the City]
DSLR vs Mirrorless Cameras: What’s the difference? (Tony Northrup).
Why Modern Lenses Use “Fake” Electronic Aperture Rings (Zy Productions).
It’s Time to Admit It: It’s OK to Use Autofocus for Video (Explora).
How to Work with Natural Light in Landscape Photography (42West).
Plenty of news on the facebook OMD group, Panasonic FF and the GH5 group.