With its effective focal length range of approximately 16 35mm in 35mm format the ef s 10 22mm f35 45 usm is a remarkable lens with outstanding image quality that will take your photography into new dimensions and areas of dramatic expression the super wide zoom not only gives you the freedom to get exactly what you want in the shot it dramatically alters perspective to allow for dynamic expression the lens allows you to get extremely close to subjects exaggerating the difference in s