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[Papa_Complex]

Originally Posted by goof2

It is interesting, but the way I read it there is currently little to no communication between the camera body and lens. Older lenses would be fine, but if you want autofocus and the ability to control things like the aperture with the camera body you are stuck with micro four thirds lenses. That isn't bad, but some people prefer the newer Canon or Nikon lens families instead.

You can use both u4/3 and 4/3 lenses on u4/3 camera bodies, though the latter requires an adaptor. The shallow flange depth on both 4/3 and u4/3 camera bodies permits the use of a number of adaptors for MANUAL lenses. Yes, you have to use them fully manually, but you can set them so that the in-camera IS functions. This is especially useful with old manual prime lenses.

I've used an old OM 50mm F1.4 on my Olympus E-3 and E-30, with IS functioning properly. The camera was actually capable of automatically metering the scene, by reading the light levels.

You'll never get autofocus with a non-4/3 or non-u4/3 lens.

My usual walk-around setup with my E-P2 is a 40-150mm F4.0-5.6 4/3 lens, via adaptor.