Quote Originally Posted by milest
Thanks for your response - but does a bigger sensor not need a bigger lens mount to get the optimal performance out of its 'bigness', or perhaps I have misread it? If that is true, then other manufacturers will need to develop bigger cameras if they use bigger chips for the optimal result? As you say, time will tell but your last line puts the lie to waiting - I want to start a system NOW - have waited a long time since my OM2!
Well, all other manufacturers use the same mount as their film cameras. That 35mm image circle is called "full frame" in the digital world. Full frame sensors are still very expensive but will get cheaper. There are also medium format backs that use existing MF camera bodies and lenses. What this does is preserve your investment in lenses, much more expensive than camera bodies.

You may already know this but your OM lenses will not fit on the Olympus digital cameras. Unlike everyone else, Olympus changed the entire mount.