UPDATES: AVCHD is 17Mbit and sensor output is 30p (NTSC) or 25p (PAL) Olympus’s new high end mirrorless camera the EP-3 has been leaked to 43Rumors.com. Here, EOSHD takes a look at the video side of the new Olympus flagship. There are big improvements to video, with full HD AVCHD, video optimised lenses including a 12mm F2 and a new kit lens. The screen has had a huge revamp too,…