Canon EF 16-35mm f/2.8L II USM Ultra Wide Angle Zoom Lens

Broaden your perspective with the Canon EF 16-35mm ultra-wide-angle zoom lens. Specifically designed for improved edge-to-edge image quality that meets the strict requirements of professional and high-end amateur photographers alike, the lens lets you bring more area into focus while providing greater depth of field. The lens features three high-precision aspherical lens elements--ground, replica, and GMo--that produce even better image quality than the original Canon EF 16-35mm USM lens. The circular aperture, meanwhile, produces a beautiful and natural background blur when shooting at wider apertures. Other details include internal focusing, a ring-type ultra-sonic monitor (USM), and new AF algorithms for fast and quiet autofocusing. The lens carries a one-year warranty.

Technical Details :
* 16-35mm ultra-wide-angle zoom lens with f/2.8 maximum aperture.
* 3 high-precision aspherical lens elements produce superior image quality.
* Circular aperture produces natural background blur at wider apertures.
* Ring-type USM for fast and quiet autofocusing; internal focusing.
* Measures 3.5 inches in diameter and 4.4 inches long; 1-year warranty.



Lens Specifications :
* Focal length: 16-35mm
* Maximum aperture: f/2.8
* Lens construction: 16 elements in 12 groups
* Diagonal angle of view: 108 degrees (at 10 feet) to 63 degrees
* Focus adjustment: AF with full-time manual
* Closest focusing distance: 0.92 feet
* Filter size: 82mm, P=0.75mm/1 filter
* Dimensions: 3.5 inches in diameter, 4.4 inches long
* Weight: 1.41 pounds

Customer Feedback :
The new lens is better in the corners and flares less but the corners are still a little soft at f2.8 and you can get the lens to flare a little if you try. I haven't seen the loss of clarity above 20mm that others reported. There is a slight difference in eyelashes if you did a lot of portraits but this is probably not the best choice for a portrait lens. It is a somewhat better lens for shooting landscapes and other shots where edge to edge clarity is important.