"Solidly built and love the feel of finely machined parts. Very sharp corner to corner and has sharper contrast and colors than my other 12-24mm lens." bhphotovideo.com
"this lens is very sharp and fast, and it's the most affordable 100mm range macro lens in the market. For this price i paid, it's doing a superb job" bhphotovideo.com
"I use this product for portraiture. Results are stunning clarity and color. Lens build, construction, and the helical system is top-notch, as expected. So is feel and balance." bhphotovideo.com