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PostPosted: Mon Sep 14, 2009 10:23 pm 
Is there any adapter so Olympus four thirds camera (E-620.. etc) can use micro four third system lenses? Some new lenses like leica 45 macro and lumix 20mm f/1.7 is worth trying

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PostPosted: Mon Sep 14, 2009 10:30 pm 
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Joined: Sun May 25, 2008 12:48 pm
Posts: 8087
Location: UK
Extremely unlikely it will be practical. A key point of m43 is the short distance between mount and sensor. Even if you could use a mechanical adapter to fit it on FourThirds, it would act like an extension tube and you will lose infinity focus. The other option would be corrective optics, with all the disadvantages they give.

Canon DSLRs: 7D2, 7D1, 5D2, 1D, 600D, 450D full spectrum, 300D IR mod
Lenses: EF 35/2, 85/1.8, 135/2+SF, 70-300L, 100-400L, 100L, MP-E 65, EF-S 10-18, 15-85
3rd party: Zeiss 2/50 makro, Samyang 8mm fisheye, Sigma 50/1.4A, 150 macro, 120-300 f/2.8 OS
Compacts: Sony HX9V, Fuji X100.

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PostPosted: Mon Sep 14, 2009 11:37 pm 
Short answer: no

Long answer: Exactly like Popo said, the lenses are designed for shorter flange back distance and as such, would not work properly on a camera with a greater distance from the sensor to the rear element of the lens.

I CAN however see a very slight possibility for a future 4/3 camera where the sensor actually slides back and forth to accept a m4/3 lens. However for this to happen the mirror would have to be permanently locked in the upwards position, even before the lens is mounted. All in all a messy affair and with very little real benefit.

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PostPosted: Tue Sep 15, 2009 2:38 am 
You will actually need to remove distance between the lens flange and the focal plane, so it's no practical at all.

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