Nikon and Canon models in this focal length/aperture will set you back about $1,500 or higher. In contrast, Sigma's new 24-70mm f/2.8 IF EX DG HSM has a street price of just under $900.

In terms of a workhorse focal length, there are few photographers who wouldn't be caught dead without a quality 24-70mm f/2.8 lens in their camera bags. Nikon and Canon models in this focal length/aperture will set you back about $1,500 or higher. In ...

This nice, compact lens for Nikon's DX-format DSLRs may suffer from being just a little too nice.

Lightweight, compact size ; excellent for low-light portrait photography ; great Bokeh ; cheap price

Kind of boring ; Pricing: $199.95 ; READ MORE REVIEWS ; CM8ShowAd("Middle")

The petite size of this lens makes it great for street photography though we wish the focal length were wider

This stunningly sharp, low-light telephoto lens will blow you and your bank account away.

Perhaps the sharpest telephoto lens we've ever tried ; very fast focusing, even in low light ; produces stunning background bokeh compression

Very expensive ; though it's lighter than the previous generation lens, it's still big and heavy ; size draws attention to you when you're shooting

If you're in the market for a stunningly sharp telephoto lens that looks like it could be used to take over a small town in Afghanistan and money is no object, the $6,000 Canon EF 200mm F/2 L IS USM is about the most perfect piece of glass you can buy ...