Newsgroups: comp.robotics
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From: schuch@phx.mcd.mot.com (John Schuch)
Subject: Re: camera autofocus mechanisms
Message-ID: <1992Oct28.145740.8052@phx.mcd.mot.com>
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References: <1992Oct27.182416.3970@murdoch.acc.Virginia.EDU>
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Date: Wed, 28 Oct 1992 14:57:40 GMT
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In article <1992Oct27.182416.3970@murdoch.acc.Virginia.EDU> jbb@holmes.acc.Virginia.EDU (Joseph B. Burch) writes:
>I'd like to obtain technical and source information on the autofocus           
>mechanisms found today in certain camers with the idea of adopting             
>them for ranging applications in robotics. There are at least two              
>types that I'm aware of, one acoustic and the other optical.                   
>                                                                               
>b) How accurate are they?                                                      
>

It is my understanding that they are not very accurate. I guess low
resolution would be a better way to put it. They use a lens with a
large depth-of-field to compensate.

John
                                                                               
