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 What does usm stand for in canon lenses?

Answer USM stands for ultrasonic motor on Canon's single-lens reflex (SLR) cameras. An ultrasonic motor allows the lens to focus faster, more quietly and more efficiently than a lens without an ultrasonic... Read More »
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Top Q&A For: What does usm stand for in canon lenses

Which is the cheapest place in HongKong to buy lenses for my canon 350d. (sigma/canon/tamron)?

Do your camera shopping at Stanley Street in Central district on Hong Kong Island. also see Cheer Power Camera and Audio.
http://answers.yahoo.com//question/index?qid=20070212052649AAPXo8p

Will your Canon T70 35mm film camera lenses fit on any of the digital Canon SLR cameras?

I don't think they will fit any. The lens mount was changed right after the Canon T70. Someone told me they will fit a Nikon so I'm trying to find that out. (They don't fit Nikon cameras.)Canon T70... Read More »
http://wiki.answers.com/Q/Will_your_Canon_T70_35mm_film_camera_lenses_fit_on_any_of_the...

Are Canon AE-1 camera lenses compatible with Canon EOS dgitial Rebel cameras?

Can Canon EOS Rebel XS 35-85mm film lenses be used with Canon EOS digital cameras?

The Canon EOS Rebel XS camera lens is officially called a Canon EF or EF-S series lens. A 35-85mm lens in the EF/EF-S series is compatible with any Canon EOS digital camera that uses the EF or EF-S... Read More »
http://www.answerbag.com/q_view/2112299


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