M makan007 New Member Feb 17, 2002 223 0 0 Singapore Feb 23, 2002 #1 Eg, EF 28-200mm f/3.5-5.6 USM What does USM mean? EF 28-105mm f/3.5-4.5 II USM What does II USM mean? EF 17-35mm f/2.8L USM Why the aperture no. contain a letter 'L' at the back?
Eg, EF 28-200mm f/3.5-5.6 USM What does USM mean? EF 28-105mm f/3.5-4.5 II USM What does II USM mean? EF 17-35mm f/2.8L USM Why the aperture no. contain a letter 'L' at the back?
ziploc New Member Jan 17, 2002 4,573 0 0 Snoopyland Feb 23, 2002 #2 Hi Makan007, See here for the explaination of USM (Ultrasonic Motor) and L lenses. II simply means 2nd generation.
Hi Makan007, See here for the explaination of USM (Ultrasonic Motor) and L lenses. II simply means 2nd generation.
M makan007 New Member Feb 17, 2002 223 0 0 Singapore Feb 23, 2002 #3 Originally posted by ziploc Hi Makan007, See here for the explaination of USM (Ultrasonic Motor) and L lenses. II simply means 2nd generation. Click to expand... Wow, thanks a million.
Originally posted by ziploc Hi Makan007, See here for the explaination of USM (Ultrasonic Motor) and L lenses. II simply means 2nd generation. Click to expand... Wow, thanks a million.
