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Manual Canon EF17-40MM F/4L USM

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  • Canon EF17-40MM F/4L USM - page 1

    EF17-40mm f/4L USM Instruction ENG C OP Y ...

  • Canon EF17-40MM F/4L USM - page 2

    ENG-1 Thank y ou f or purc hasing a Canon pr oduct. The Canon EF17-40mm f/4L USM is a high- performance wide-angle zoom lens. • “USM” stands for Ultr asonic Motor . Features 1. T wo aspherical elements and a Super UD element result in outstanding image delineation. 2. Ultrasonic motor (USM) f or quick and quiet autofocusing. 3. Manual f ocusi ...

  • Canon EF17-40MM F/4L USM - 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 ...

  • Canon EF17-40MM F/4L USM - page 4

    ENG-3 Nomenc lature Distance scale ( → 6) Focus mode switch ( → 5) Lens mount index ( → 4) Contacts ( → 4) Hood mount ( → 7) Focusing ring ( → 5) Gelatin filter holder ( → 8) Filter mounting thread ( → 7) Zoom ring ( → 5) F or detailed inf ormation, reference page numbers are pro vided in parentheses ( → **). C OP Y ...

  • Canon EF17-40MM F/4L USM - page 5

    ENG-4 See your camera’ s instructions for details 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 wor n ...

  • Canon EF17-40MM F/4L USM - page 6

    ENG-5 3. Zooming To z oom, turn the lens’ zoom ring. Be sure to finish zooming bef ore focusing. Changing the zoom ring after focusing can aff ect the focus . 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 ocusing ring. The f oc ...

  • Canon EF17-40MM F/4L USM - page 7

    ENG-6 4. Infinity Compensation Mark To compensate f or shifting of the infinity focus 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 ate manual focusing on subjects at infinity ...

  • Canon EF17-40MM F/4L USM - page 8

    ENG-7 24 Y ou can attach filters to the filter mounting thread on the front of the lens. 7. Filters (Sold separately) •T o ensure dust- and water-resistant performance, attach a Canon PR OTECT filter (77mm). • Only one filter may be attached. • If you need a polarizing filter , use the Canon Circular P olarizing Filter (77mm). 6. Hood The EW ...

  • Canon EF17-40MM F/4L USM - page 9

    ENG-8 There is a gelatin filter holder at the rear of the lens. Cut the gelatin filter to fit within the white frames. Then inser t the gelatin filter into the filter holder . 8. Filter Holder • Only one filter can be used. • When you use a gelatin filter , ghosting may appear in the image. Y ou can attach Extension T ube EF12 II or EF25 II for ...

  • Canon EF17-40MM F/4L USM - page 10

    ENG-9 10. Close-up Lenses (Sold separately) Attaching a 500D (77mm) Close-up Lens enables close-up photogr aphy . The magnification will be as follo ws: • Can be used at the 40mm end (magnification 0.30x - 0.08x) • Close-up Lens 250D cannot be attached because there is no size that fits the lens. • Manual f ocusing is recommended for accurate ...

  • Canon EF17-40MM F/4L USM - page 11

    ENG-10 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’ V er tical: 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 ...

  • Canon EF17-40MM F/4L USM - page 12

    © CANON INC. 2003 CT1-7546-006 2009.7 C OP Y ...

Manufacturer Canon Category Camera Lens

Documents that we receive from a manufacturer of a Canon EF17-40MM F/4L USM can be divided into several groups. They are, among others:
- Canon technical drawings
- EF17-40MM F/4L USM manuals
- Canon product data sheets
- information booklets
- or energy labels Canon EF17-40MM F/4L USM
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 EF17-40MM F/4L USM.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Canon EF17-40MM F/4L USM, service manual, brief instructions and user manuals Canon EF17-40MM F/4L USM. 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 EF17-40MM F/4L USM.

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A complete manual for the device Canon EF17-40MM F/4L USM, 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 EF17-40MM F/4L USM by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Canon EF17-40MM F/4L USM.

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 EF17-40MM F/4L USM - 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 EF17-40MM F/4L USM, 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 EF17-40MM F/4L USM, that we can find in the current document
3. Tips how to use the basic functions of the device Canon EF17-40MM F/4L USM - which should help us in our first steps of using Canon EF17-40MM F/4L USM
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Canon EF17-40MM F/4L USM
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Canon EF17-40MM F/4L USM in a specific country, if it was not possible to solve the problem on our own.

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