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11. Specifications
Focal Length/Aperture 17 – 40 mm f/4
Lens Construction 9 groups, 12 elements
Minimum Aperture f/22
Angle of View Diagonal: 104° – 57° 30’ Vertical: 70° 30’ – 34° Horizontal: 93° – 49° 20’
Min. Focusing Distance 0.28 m/0.92 ft.
Max. Magnification 0.24× (at 40 mm)
Field of View 234 × 365 mm – 100 × 150 mm / 9.2 × 14.4 inch – 3.9 × 5.9 inch (at 0.28 m)
Filter Diameter 77 mm
Max. Diameter and Length 83.5 × 96.8 mm / 3.3 × 3.8 inch
Weight 475 g / 16.8 oz
Hood EW-83E
Lens Cap E-77U
Case LP1319
• The lens length is measured from the mount surface to the front end of the lens. Add 21.5 mm when including the
lens cap and dust cap.
• The size and weight listed are for the lens only, except as indicated.
• The EF1.4X II/EF2X II extenders cannot be used with this lens.
• Aperture settings are specified on the camera.
• All data listed is measured according to Canon standards.
• Product specifications and appearance are subject to change without notice.
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