Preorders:
Olympus E-M5III at BHphoto, Amazon, GetOlympus, Adorama. In Eu at WexUK.
Olympus ECG-5 External Grip at BHphoto, Amazon, Adorama.
No Olympus E-PL10 preorders yet!
Previews:
Hands-on with the Olympus E-M5 Mark III (Dpreview).
AUTUMN photo reviews, Olympus E-M5 III! (Tony & Chelsea LIVE!)
