Quote Originally Posted by neuroanatomist


The three numbers are the subject framing distances for the native lens (135mm), lens + 1.4x Extender (189mm) and lens + 2x Extender (270mm).




That makes sense---Duhhhh


Thanks, One more question: For a 1.6 crop body and this Lens, would you simply multiply the distance by 1.6 to get subject framing distance for that combination?


Thanks again,


Bob