Product Description
- EF Mount L-Series Lens
- f/4
- Super UD
- Ring Ultrasonic Autofocus Motor
- Manual Focus Override
- Water and Dust Resistant
- Internal Zooming and Focusing
- 77mm Front Filter Thread Diameter
Technical Specifications
Main Unit SpecFocal Length & Maximum Aperture | 17 - 40mm; 1:4 |
Lens Construction | 12 elements in 9 groups |
Diagonal Angle of View | 104° - 57° 30' |
Focus Adjustment | Inner focusing system with USM |
Closest Focusing Distance | 0.28m / 0.9 ft. |
Zoom System | Rotating type |
Filter Size | 77mm |
Max. Diameter x Length, Weight | 3.3" x 3.8", 1.1 lb. / 83.5 x 96.8mm, 500g |
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