Canon mkII lens vs mkIII lens and USM vs non USM

[strumstrum]

any big noticable difference between the 2 and 3? what about the USM vs non USM?

Ta

 

[neil_g]

huh?

 

[KIPAX]

Ignore my answer.. my mind reading skills let me down

 

[strumstrum]

sorry, I mean the II kit lens vs the III kit lens, and the USM vs the non USM versions..

 

[davidbridges]

you want USM I assume all USM are internal focusing, if not im sorry for being ignorant but yeah USM are better