Focal Length Max. Aperture: | 10-22mm 1:3.5-4.5 |
Filter Diameter: | 77mm; P=0.75mm/1 filter |
Magnification with Extension Tube EF12 II: | 0.77x - 0.58x (only at tele end) |
Magnification with Extension Tube EF25 II: | 1.51x - 1.28x (only at tele end) |
Diagonal Angle of View: | 107° 30' - 63° 30' (27.3mm) |
Horizontal Angle of View: | 97° 10' - 54° 30' (22.7mm) |
Lens construction: | 13 elements in 10 groups |
Minimum aperture: | f/22-27 (f/22-29 for cameras featuring 1/3-stop increments also) |
No. of aperture blades: | 6 (circular aperture) |
Closest focusing distance (m): | 0.24m |
Focus drive: | Ring USM |
Dimensions: | 83.5mm dia. x 89.8mm |
Weight: | 385g |