Canon lens EF 1740mm f4L USM User Manual
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ENG-10 11. Specifications Focal Length/Aperture17 – 40 mm f/4 Lens Construction9 groups, 12 elements Minimum Aperturef/22 Angle of ViewDiagonal: 104° – 57° 30’ Vertical: 70° 30’ – 34° Horizontal: 93° – 49° 20’ Min. Focusing Distance0.28 m/0.92 ft. Max. Magnification0.24× (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 Length83.5 ×96.8 mm / 3.3 ×3.8 inch W eight 475 g / 16.8 oz Hood EW-83E Lens CapE-77U/E-77 II Case LP1319 •The lens length is measured from the mount surface to the front end of the lens. Add 21.5 mm to include the E-77U lens cap and dust cap, and 24.2 mm for the E-77 II. • 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. COPY