Focal length is 14mm, maximum aperture is 1:2.8 and has gel filter holder at rear of lens Lens construction is 14 elements in 11 groups Diagonal angle of view is 114° (on full-frame cameras) Dust and moisture proof built in lens hood Closest focusing distance is 7.9 inches Compatible with all EOS Digital SLR cameras Redesigned optics including 2 high-precision Aspherical elements and 2 new UD-glass elements Uses a rear focusing system, high-speed CPU and powerful ring-type USM with revised electronics Built-in lens hood; dust- and moisture-proof 114º diagonal view Lens not Zoomable 14mm - f/2.8
This is an outstanding lens. A bit pricey... but nothing else really compares to it.This is a "rectilinear" wide angle lens. This means that horizontal and vertical lines in a photograph will remain straight, rather than curving as they would in a "curvilinear" (aka "fish-eye") lens. This is the widest rectilinear wide-angle lens made by Canon (one of the very widest on the market.) It creates stunning architectural or landscape photographs. If you..