Dear TSA,
The lens is operated in manually. If you wanted AF, Canon 800mm is the choose.
It is using a Leica R to Canon EOS adaptor to join the EOS. The adaptor is easy to buy.
You can ask one of the biggest and olderest camera shop in Mong Kok about its details.
Or you can find the main dealer in HK in this web page:
http://en.leica-camera.com/service/dealer_locator/
You may find 2nd hand lens in Taiwan more easily.
I bought it 6 years ago. It costed Euro10000.
It may cost 2 sets of Canon 800mm now...
Thomas.
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Last edited by cthomas at 26/11/2009 08:57 ]