Thanks to its speed, it is easy to focus accurately even in low light. And the inclusion of the Floating System makes it as sharp at close-up distances as it is for general work. It is the perfect lens for the photographer who wants a good all-purpose super-wide-angle lens.

SPECIFICATIONS:

* Type: super-wide-angle

* Construction: 10 elements in 9 groups

* Angle of view: 84 degrees

* Minimum Aperture: F/22

* Closest Focusing Distance: 1ft

* Filter size: 52

* Lenshood: optional BW-52C

* Length: 1 3/4 in

* Weight: 8oz.