Via Egami Blog (Japanese)
This one, for what I have seen for the first time, can change the back focus distance so as to make the lens short-sighted (for macro purpose) if required. The above adaptor is for Leica M-mount lens to Sony NEX E-mount. Below are some more additional information about the possibilities of the adaptor when used with particular Leica M lenses:-
And an example adapted combo:-
A PK Lens to EOS Body Adaptor that Supports Aperture and Focal Inputs Plus Focus Correction!
Compatibility List of Pentax Full Frame AF Lenses on Canon 5D Body
Monday, October 31, 2011
An Interesting Lens Mount Adaptor!
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