[an error occurred while processing this directive]
Tip: [an error occurred while processing this directive]
Join our Mailing List!
Re: Re: EF and USM
In Reply to: Re: EF and USM posted by J Chauhan on August 22, 2001 at 12:06:18:
: I think USM is the ultrasonic motor and it operates better to EF
The USM is for ultrasonic motor, EF is defining the type of lens mount. USM is the new improved motor drive for the focusing unit in a Canon lens. Go with the USM lens
: : During this I came across two different camera kits.
: : 1. Canon Rebel 2000 body with EF 28-80mm lense
: : My doubt is what is the difference between terms EF and USM? And which one is better for beginners like me.
: : Can anyone guide me which one is better?
: : Thanks,
: : Jig