"It focusses quickly and sharply. I am amazed by the night-time shots. Very sharp and fast focus!" bhphotovideo.com
"An excellent lens-especially for the price. The constant f2.8 maximum aperture makes it a first class, low light addition. It is solidly constructed and should last quite a while." 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