"It is extremely sharp and is definatly wide enough. This is a true wide angle lens." bhphotovideo.com
"When you really need to get it all in view, this is a great lens. Well made lens for the money. No chromatic aborations! Sharp if you use f11-16. Construction is excellent. Nothing negative to say about this lens." bhphotovideo.com
"The lens is great, especially If you like taking interior shots or panoramic, architectural buildings, architectural models." bhphotovideo.com
"I have yet to really put this lens through its paces, but so far I am very satisfied." bhphotovideo.com