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Manual Canon 2578A002

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  • Canon 2578A002 - page 1

    EF70-200mm f/4L USM Instruction ENG C OP Y ...

  • Canon 2578A002 - page 2

    ENG-1 The Canon EF70-200mm f/4L USM lens is a compact, high-performance telephoto zoom lens f or Canon EOS camer as. • "USM" stands for Ultr asonic Motor . Features 1. With fluorite and UD lens elements, outstanding image delineation is obtained. 2. Ultrasonic motor (USM) f or quick and quiet autofocusing. 3. Manual f ocusing is av aila ...

  • Canon 2578A002 - 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? ...

  • Canon 2578A002 - page 4

    ENG-3 Nomenc lature Distance scale ( → 6) Focus mode switch ( → 4) Lens mount index ( → 4) Contacts ( → 4) Focusing distance range selection switch ( → 5) Tripod mounting location ( → 8) Hood mount ( → 7) Zoom ring ( → 5) Filter mounting thread ( → 7) Focusing ring ( → 4) F or detailed inf ormation, reference page numbers are pr ...

  • Canon 2578A002 - page 5

    ENG-4 See your camera’ s instructions for instructions on mounting and detaching the lens. To shoot in autofocus (AF) mode , set the f ocus mode switch to AF . To use only manual f ocusing (MF), set the focus mode switch to MF , and focus b y turning the f ocusing ring. The f ocusing ring always w orks, regardless of the focus mode . 2. Setting t ...

  • Canon 2578A002 - page 6

    ENG-5 4. 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 . 1.2m 3m Y ou can set the focusing distance r ange to 1.2 m/3.9 ft. to infinity or 3 m/9.8 ft. to infinity . By setting the suitable f ocusing distance range , the actual autofocusing time can be sh ...

  • Canon 2578A002 - page 7

    ENG-6 5. 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 mar k is aligned with the distance indicator on the distance scale. 10 30 15 ft m 70 100 5 F or accur ate manual focusing o ...

  • Canon 2578A002 - page 8

    ENG-7 7. Hood The ET -74 hood can keep unw anted light out of the lens, and also protects the front of the lens from rain, snow , and dust. Attach and align the hood to the hood mount on the front of the lens, and turn the hood as shown by the arrow to secure it. The hood can be rev erse-mounted on the lens for s t orage. 1.2m 3m •P ar t of the p ...

  • Canon 2578A002 - page 9

    ENG-8 9. Using the T ripod Mount (Sold separately) Adjusting the Rev olving Mount This lens can be used with the A II (W) tripod mount r ing, sold separately . 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 horizontal positions. De ...

  • Canon 2578A002 - page 10

    ENG-9 10. Extenders (Sold Separately) With Extender EF1.4X ll or EF2X ll attached, the lens specifications will change as follo ws: Item With EF1.4X ll Extender With EF2X ll Extender Focal length (mm) 98 – 280 140 – 400 Aperture f/5.6 – 45 f/8 – 64 Diagonal 25°20’ – 8°50’ 16°20’ – 6°10’ Angle of view V ertical 13°50’ – ...

  • Canon 2578A002 - page 11

    ENG-10 Y ou can attach Extension T ube EF12 II or EF25 II for magnified shots . The shooting distance and magnification are shown below . 11. Extension T ubes (Sold Separately) Camera-to-Subject Magnification Distance (mm) Near F ar Near F ar EF12 II 70mm 554 639 0.23 × 0.17 × 200mm 1015 3572 0.29 × 0.06 × EF25 II 70mm 423 428 0.39 × 0.35 × 2 ...

  • Canon 2578A002 - page 12

    ENG-11 Specifications Focal Length & Max. Aperture 70 – 200 mm, f/4 Lens Construction 13 groups, 16 elements Min. Aperture f/32 Angle of View Diagonal: 34° – 12° V er tical: 19°30’ – 7° Horizontal: 29° –10° Min. Focusing Distance 1.2 m / 3.9 ft. Max. Magnification & Field of view 0.21 × ( at 200 mm ) , 300 × 450 mm – 114 ...

  • Canon 2578A002 - page 13

    CT1-8507-004 © CANON INC. 2002 0812Ni C OP Y ...

Manufacturer Canon Category Camera Lens

Documents that we receive from a manufacturer of a Canon 2578A002 can be divided into several groups. They are, among others:
- Canon technical drawings
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- Canon product data sheets
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All of them are important, but the most important information from the point of view of use of the device are in the user manual Canon 2578A002.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Canon 2578A002, service manual, brief instructions and user manuals Canon 2578A002. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Canon 2578A002.

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A complete manual for the device Canon 2578A002, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Canon 2578A002 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Canon 2578A002.

A complete Canon manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Canon 2578A002 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Canon 2578A002, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Canon 2578A002, that we can find in the current document
3. Tips how to use the basic functions of the device Canon 2578A002 - which should help us in our first steps of using Canon 2578A002
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Canon 2578A002
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Canon 2578A002 in a specific country, if it was not possible to solve the problem on our own.

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