Sylwester wrote:

>Very interesting. Do you know any resources on the net that could confirm
>this?


It's all in the patents, although you probably have to contact the patent 
lawyers to know who licensed what from who. Unfortunately, the patents are 
not available anymore without paying for them. Awhile back, the patents 
could be read at the IBM website. Now they are available from delphion.com 
but you won't get the details, like who are using the patents, without 
paying. All Canon and Nikon IS patents refers to earlier Asahi patents on 
fully working optics on IS lenses.

P�l
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