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Canon EF24-70mm f/2.8L USM manual

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Table of contents for the manual

  • Page 1

    EF24-70mm f/2.8L USM Instruction ENG C OP Y[...]

  • Page 2

    ENG-1 Thank y ou f or purc hasing a Canon pr oduct. The Canon EF24-70mm f/2.8L USM lens is a high-performance, standard zoom lens f or Canon EOS cameras. • "USM" stands for Ultr asonic Motor . Features 1. T wo aspherical elements and a UD element result in outstanding image delineation. 2. Ultr asonic motor (USM) for quic k and quiet au[...]

  • Page 3

    ENG-2 a Safety Precautions a Safety Precautions • Do not look at the sun or a bright light source through the lens or camera. Doing so could result in loss of vision. Looking at the sun directly through the lens is especially hazardous. • Whether it is attached to the camera or not, do not leave the lens under the sun without the lens cap attac[...]

  • Page 4

    ENG-3 Nomenc lature Distance scale ( → 6) Focus mode switch ( → 5) Lens mount index ( → 4) Contacts ( → 4) Hood mount ( → 7) Zoom ring ( → 5) Filter mounting thread ( → 7) Focusing ring ( → 5) F or detailed inf ormation, reference page numbers are pro vided in parentheses ( → **). C OP Y[...]

  • Page 5

    ENG-4 See your camera’ s instructions for instructions on mounting and detaching the lens. 1. Mounting and Detaching the Lens The lens mount has a rubber ring for enhanced w ater- and dust-resistance. The rubber ring may cause slight abrasions around the camera's lens mount, but this will not cause any prob lems. If the rub ber ring becomes [...]

  • Page 6

    ENG-5 3. Zooming To z oom, turn the zoom ring. Be sure to finish zooming bef ore focusing. Changing the zoom ring after focusing can aff ect the focus . 2. Setting the Focus Mode To shoot in autof ocus (AF) mode, set the f ocus mode switch to AF . To use only man ual focusing (MF), set the f ocus mode switch to MF , and f ocus by turning the f ocus[...]

  • Page 7

    ENG-6 4. Infinity Compensation Mark Infinity compensation mark Distance index To compensate f or shifting of the infinity f ocus point that results from changes in temperature. The infinity position at normal temperature is the point at which the vertical line of the L mar k is aligned with the distance indicator on the distance scale. F or accur a[...]

  • Page 8

    ENG-7 Y ou can attach filters to the filter mounting thread on the front of the lens. 6. Hood • Only one filter may be attached. • If you need a polarizing filter , use the Canon Circular P olarizing Filter (77mm). •T o adjust the polarizing filter, first remo ve the lens hood. The EW -83F hood can keep unwanted light out of the lens, and als[...]

  • Page 9

    ENG-8 Y ou can attach Extension T ube EF12 II or EF25 II for magnified shots . The shooting distance and magnification are shown below . 8. Extension T ubes (Sold separately) Camera-to-Subject Magnification Distance (mm) Near F ar Near F ar EF12 II 24mm 222 234 0.63 × 0.50 × 70mm 305 560 0.49 × 0.18 × EF25 II 24mm Incompatible 70mm 279 366 0.75[...]

  • Page 10

    ENG-9 10. Specifications Focal Length/Aperture 24 – 70 mm f/2.8 Lens Construction 13 groups, 16 elements Minimum Aperture f/22 Angle of View Diagonal: 84° – 34° V er tical: 53° – 19° 30’ Horizontal: 74° – 29° Min. Focusing Distance 0.38 m/1.25 ft. Max. Magnification and 0.29 × ( at 70 mm ) , Field of View approx. 212 × 322 mm – [...]

  • Page 11

    © CANON INC. 2002 CT1-7545-007 2009.7 C OP Y[...]