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 |
All data based on Canon's Standard Test Method: |
Subject to change without notice: |
