"I bought this lens to use with a E-620 underwater and not had time yet but above water gives great clear photo's seems it's a good all round lens not only a Macro lens , but also takes great macro photo's" bhphotovideo.com
"The real benefit of course is that it maintains the DOF of a 150mm lens at its effective new focal length, plus the gain of a stop of aperture speed." bhphotovideo.com
"This lens is very useful in low light and with fast action events. The lens is very fast (bright) which allows for fast shutter speeds to capture the action" bhphotovideo.com