canon camera lens multiplier

Canon EF 70-300mm f/4-5.6 IS II USM

Canon EF 70-300mm f/4-5.6 IS II USM
What is the Canon EF 70-300mm f/4-5.6 IS II USM? The Canon EF 70-300mm f/4-5.6 IS II USM is a mid-range telephoto zoom lens for Canon’s [...]