Highly portable lens with high optical performance and light weight of 340g. A very practical ultra-wide-angle zoom. The large front lens group minimizes peripheral darkening, and the flare-blocking diaphragm minimizes flare. Also, with lens group 2 being the zoom group, distortion is corrected.Features
* Focal length and maximum aperture: 20-35 mm 1:3.5-4.5.
* Lens construction: 12 elements in 11 groups.
* Diagonal angle of view: 94°-63°.
* Focus adjustment: Inner focusing system with USM.
* Closest focusing distance: 0.34m / 1.1ft.
* Filter size: 77mm.