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Canon 2530A004 manual

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Table of contents for the manual

  • Page 1

    EF300mm f/4L IS USM Instruction ENG C OP Y[...]

  • Page 2

    ENG-1 The Canon EF300mm f/4L IS USM lens is a high-performance telephoto zoom lens f or EOS cameras, and it is equipped with an Image Stabilizer . • "IS" stands for Image Stabiliz er . • "USM" stands for Ultr asonic Motor . Features 1. The Image Stabilizer giv es the equivalent effect of a shutter speed tw o stops faster*. T[...]

  • 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. • Do not point the lens or camera at the sun or photograph it. This is because the lens concentrates the sun?[...]

  • Page 4

    ENG-3 Nomenc lature Built-in lens hood ( → 10) Filter mounting thread ( → 10) Focusing ring ( → 4) Focusing distance range selection switch ( → 5) Image stabilizer switch ( → 6) Image stabilizer mode selector switch ( → 6) Focus mode switch ( → 4) Distance scale ( → 5) Contacts ( → 4) Tripod mount ( → 9) Lens mount index ( → 4[...]

  • Page 5

    ENG-4 See your camera’ s instructions for details on mounting and detaching the lens. • After detaching the lens, place the lens with the rear end up to prev ent the lens surface and electrical contacts from getting scratched. • If the contacts get soiled, scratched, or hav e fingerpr ints on them, corrosion or faulty connections can result. [...]

  • Page 6

    ENG-5 4. Infinity Compensation Mark To compensate for 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 mark is aligned with the distance indicator on the distance scale. F or accur ate manual focusing on subjects at infinity d[...]

  • Page 7

    ENG-6 Y ou can use the image stabilizer in AF or MF mode. 5. Image Stabilizer Settings Select the stabilizer mode. • MODE 1: Corrects vibrations in all directions. It is mainly effectiv e for shooting still subjects. • MODE 2: It compensates for ver tical camera shake during f ollo wing shots in a horizontal direction, and compensates for horiz[...]

  • Page 8

    ENG-7 6. Tips on Using the Image Stabilizer • In semi-darkened areas such as indoors or outdoors at night. • In locations where flash photograph y is prohibited, such as ar t museums and theater stages. • In situations where your f ooting is uncer tain. •I n situations where fast shutter settings cannot be used. • When panning subjects in[...]

  • Page 9

    ENG-8 Tips on Using the Image Stabilizer • The Image Stabilizer cannot compensate f or a b lurred shot caused b y a subject that moved. • Set the ST ABILIZER s witch when you are using a tripod. If the Stabilizer s witch is set to , the image stabilizer function ma y introduce errors. • Set the ST ABILIZER switch to when y ou are taking pictu[...]

  • Page 10

    ENG-9 7. Using the T ripod Mount Adjusting the Rev olving Mount Y ou can loosen the orientation lock-knob on the tripod mount to allow it to rotate as needed to fit a par ticular camera model for s witching between v er tical and hor izontal positions. Detaching Use the follo wing procedures to remov e and attach the tripod mount. Loosen the orient[...]

  • Page 11

    ENG-10 Y ou can attach filters to the filter mounting thread on the front of the lens. 9. Filters (Sold separately) • If you need a polarizing filter , use the Canon Circular P olarizing Filter (77mm). •T o adjust the polarizing filter, first store the lens hood. 8. Hood The built-in lens hood can reduce unw anted reflections and also protects [...]

  • Page 12

    ENG-11 Y ou can attach Extension T ube EF12 II or EF25 II for magnified shots . The shooting distance and magnification are shown below . 10. Extension T ubes (Sold separately) Manual f ocusing is recommended for accurate f ocusing. Camera-to-Subject Magnification Distance (mm) Near F ar Near F ar EF12 II 1338 7795 0.30 × 0.04 × EF25 II 1216 3946[...]

  • Page 13

    ENG-12 • First attach the Extender to the lens, then attach the lens to the camera. Detach it from the camera in the re verse order . If you attach the lens to the camera first, misoperation may occur . • With Extender EF2X II attached to the lens, only manual f ocus is possible. Howe ver , with the EOS- 1Ds Mark III, EOS-1Ds Mark ll, EOS-1Ds, [...]

  • Page 14

    ENG-13 Specifications Focal Length & Max. Aperture 300 mm, f/4 Lens Construction 15 elements in 11 groups Min. Aperture f/32 Angle of View Diagonal: 8°15’ V er tical: 4°35’ Horizontal: 6°50’ Min. Focusing Distance 1.5 m / 4.9 ft. Max. Magnification & Field of view 0.24 × , 101 × 150 mm / 4.0 × 5.9 inch ( at 1.5 m ) Filter Diamet[...]

  • Page 15

    © CANON INC. 2002 CT1-8505-004 0812Ni C OP Y[...]