More joining Micro Four Thirds Group.

There is room yes, but I don't know if these companies that have joined have the capability to mass produce cameras lenses or accessories to have competitive prices and maintain good quality.

I think the bigger of those is JK Imaging.

--
Simplicity is the ultimate sophistication.
God always take the simplest way.
Imagination is more important than knowledge.
God is the tangential point between zero and infinity.
Aleo Photo Site