"It focusses quickly and sharply. I am amazed by the night-time shots. Very sharp and fast focus!" bhphotovideo.com
"This lens is great. It is consistently sharp, with excellent contrast, and good color balance." bhphotovideo.com
"I am just thrilled to have one lens with such wide range of zoom [eqivilent to 28-300 in 35mm film format]." bhphotovideo.com