[clarice629]

which one, canon 10-22 or sigma 10-22 f/4-5.6?

price isnt an issue. image quality and colors are.
thank you.

using 40D so i dont care if the lens can be used on FF cameras or not.

[free.com]

I will choice canon 10-22mm~~

[samjan]

Canon 10-22mm should be better.

[h0001244]

how about 8-16?

[Obi-Wan]

check with this
http://www.kenrockwell.com/canon/1022.htm

[steven423]

http://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?FLI=0&API=0&Sample=0&FLIComp=0&APIComp=0&LensComp=271&CameraComp=474&SampleComp=0&Lens=711