Focal Length & Max. Aperture: | | 70-300mm 1:4.5-5.6 |
Filter Diameter: | | 58mm |
Magnification with Extension Tube EF12 II: | | 0.26x - 0.04x (at tele) |
Magnification with Extension Tube EF25 II: | | 0.35x - 0.09x (at tele) |
Diagonal Angle of View: | | 34° - 8° 15' (43.2mm) |
Horizontal Angle of View: | | 29° - 6° 50' (36mm) |
Lens construction: | | 18 elements in 12 groups |
Minimum aperture: | | f/32-38 (f/32-40 for cameras featuring 1/3-stop increments also) |
No. of aperture blades: | | 6 (circular aperture) |
Closest focusing distance (m): | | 1.4m |
Focus drive: | | Ring USM |
Dimensions: | | 82.4mm dia. x 99.9mm (max. length 159.1mm) |
Weight: | | 720g |
All data based on Canon's Standard Test Method: |
Subject to change without notice: |