from the Canon 2x TC review:
"For example, a 2x extender (also commonly referred to as a teleconverter) makes aCanon EF 70-200mm f/2.8 L IS II USM Lensinto a 140-400mm f/5.6 IS lens (yes, IS still functions normally on all compatible IS lenses)."
from the Canon 2x TC review:
"For example, a 2x extender (also commonly referred to as a teleconverter) makes aCanon EF 70-200mm f/2.8 L IS II USM Lensinto a 140-400mm f/5.6 IS lens (yes, IS still functions normally on all compatible IS lenses)."
Arnt