Focal Length & Max. Aperture: |
17-85mm 1:4.0-5.6 |
Filter Diameter: |
67mm; P=0.75mm/1 filter |
Magnification with Extension Tube EF12 II: |
0.43x - 0.14x (only at tele end) |
Magnification with Extension Tube EF25 II: |
0.72x - 0.33x (only at tele end) |
Diagonal Angle of View: |
78° 30' - 18° 25' (27.3mm) |
Horizontal Angle of View: |
68° 40' - 15° 25' (22.7mm) |
Lens construction: |
17 elements in 12 groups |
Minimum aperture: |
f/22-32 (f/22-32 for cameras featuring 1/3-stop increments also) |
No. of aperture blades: |
6 (circular aperture) |
Closest focusing distance (m): |
0.35m |
Focus drive: |
Ring USM |
Dimensions: |
78.5mm dia. x 92mm (max. length 118.5mm) |
Weight: |
475g |
All data based on Canon's Standard Test Method: |
Subject to change without notice: |