MetaBones Speed Booster Adaptor

Some Olympus 4/3 SHG lenses used this technology on their lenses.

But it is good that this will be available to Micro 4/3.

-- 
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