
This is an EF lens 20-35mm f/3.5-4.5 USM.
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
Highly portable lens with high optical performance and lightweight
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.
Photo Quote: To me, photography is the simultaneous recognition, in a fraction of a second, of the significance of an event. - Henri Cartier-Bresson