i stand corrected!!
_____________________________________ Thanks, Mehrdad -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Bob Sull Sent: Tuesday, November 13, 2001 2:19 PM To: [EMAIL PROTECTED] Subject: Re: How do Canon EOS lenses without USM focus? Mehrdad Sadat wrote: > none usm lenses use the motor inside the camera body!! > > _____________________________________ > Thanks, Mehrdad Huh? How do they connect this motor to the lens? They don't because there is no focus motor in the body. Prior to USM, Canon used micromotors and something called arc form drive. All in the lenses. They are generally slow and noisy. Bob -- ////// ( 0 0 ) -73 de Bob [EMAIL PROTECTED] Everybody has a photographic memory. Some just don't have any film. * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
