Telephoto Lens Photography – [What you SHOULD know!]
BTS from Skoda commercial. GH5 only. Check it out on Youtube.
OM Digital Solutions Edition program at CP+ (Dc.watch).
Olympus 100-400mm review at Capa.
Olympus 12-100mm test at Asobinet.
Plenty of news on the facebook OMD group, Panasonic FF and the GH5 group.