Olympus currently offers a $144 adapter called the MMF-2 for photographers who want to use an existing collection of Four Thirds-mount lenses on a Micro Four Thirds camera. The accessory makes the lenses mountable and acts as a middleman between the lenses and the cameras, but its features pretty much end there. It appears that Olympus is working on a much fancier adapter: one that actually contains lens elements and contains focusing/stabilization features as well.
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Here’s some interesting innovation on the tech-side of photography: on August 24, Sony will be unveiling a new lens adapter called the LA-EA2 that will let customers use large Sony Alpha DSLR lenses on their small NEX mirrorless cameras. Unlike most lens adapters, this one actually does a lot more than adapt lenses — it has its own translucent mirror and phase-detection autofocus sensor to aid the camera in providing snappy autofocus. It’s almost like an accessory that helps turn small NEX bodies into a DSLR-style camera (except there’s still no optical viewfinder).

(via Photo Rumors via Wired)