"I use this lens a lot for bikini models and have produced excellent results." bhphotovideo.com
"I have submitted photo using this lens to my mentor who has a Canon 500mm lens and he did not see a difference." bhphotovideo.com
"This lens is extremely sharp, I have photographed everything from grizzly bears to prairie dogs without any complaints." bhphotovideo.com
"Flare well controlled. Autofocusing very fast and very accurate, even in relatively low light levels, thanks to the speed of the lens (HSM)." bhphotovideo.com
"It's much much sharper, even with a 1.4 TC. I highly recommend this lens." bhphotovideo.com
"The lens works great! Its very fast, quick to focus and feels solid. So far its worked very well." bhphotovideo.com