Руководство по эксплуатации Canon EF24-70mm f/2.8L USM

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EF24-70mm f/2.8L USM
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Instruction
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Thank you for purchasing a Canon product. The Canon EF24-70mm f/2.8L USM lens is a Features high-performance, standard zoom lens for 1. Two aspherical elements and a UD element Canon EOS cameras. result in outstanding image delineation. • "USM" stands for Ultrasonic Motor. 2. Ultrasonic motor (USM) for quick and quiet autofocusing. 3. Manual focusing is available after the subject comes into focus in autofocus mode (ONE SHOT AF). 4. A truly round aperture hole results in a nicer background blur.

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a Safety Precautions This device complies with Part 15 of the FCC Rules. Operation is a Safety Precautions subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any • Do not look at the sun or a bright light source interference received, including interference that may cause through the lens or camera. Doing so could result undesired operation. in loss of vision. Looking at the sun directly through Do not make any changes or

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Nomenclature Focus mode switch (→ 5) Hood mount (→ 7) Distance scale (→ 6) Zoom ring (→ 5) Filter mounting thread (→ 7) Contacts (→ 4) Focusing ring (→ 5) Lens mount index (→ 4) For detailed information, reference page numbers are provided in parentheses (→ **). ENG-3 C OP Y

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1. Mounting and Detaching the Lens See your camera’s instructions for The lens mount has a rubber ring for enhanced instructions on mounting and detaching the water- and dust-resistance. The rubber ring may lens. cause slight abrasions around the camera's lens mount, but this will not cause any problems. If the rubber ring becomes worn, it is replaceable by a Canon Service Center at cost. • After detaching the lens, place the lens with the rear end up to prevent the lens surface and electrical c

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2. Setting the Focus 3. Zooming Mode To shoot in autofocus (AF) mode, set the focus To zoom, turn the zoom ring. mode switch to AF. To use only manual focusing (MF), set the focus Be sure to finish zooming before focusing. Changing the zoom ring after focusing can affect mode switch to MF, and focus by turning the the focus. focusing ring. The focusing ring always works, regardless of the focus mode. After autofocusing in ONE SHOT AF mode, focus manually by pressing the shutter button halfway an

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4. Infinity Compensation Mark 5. Infrared Index Distance index Infinity compensation mark To compensate for shifting of the infinity focus The infrared index corrects the focus setting when using point that results from changes in temperature. monochrome infrared film. Focus on the subject The infinity position at normal temperature is the manually, then adjust the distance setting by moving the point at which the vertical line of the L mark is focusing ring to the corresponding infrared index m

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6. Hood 7. Filters (Sold separately) You can attach filters to the filter mounting thread on the front of the lens. • Only one filter may be attached. • If you need a polarizing filter, use the Canon Circular Polarizing Filter (77mm). •To adjust the polarizing filter, first remove the lens hood. The EW-83F hood can keep unwanted light out of the lens, and also protects the front of the lens from rain, snow, and dust. To attach the hood, align the hood’s attachment position mark with the red dot

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8. Extension Tubes 9. Close-up Lenses (Sold separately) (Sold separately) You can attach Extension Tube EF12 II or EF25 Attaching a 500D (77mm) Close-up Lens II for magnified shots. The shooting distance and enables close-up photography. magnification are shown below. The magnification will be as follows: • Can be used at the 70mm end (magnification Camera-to-Subject Magnification 0.40x - 0.13x) Distance (mm) Near Far Near Far • Close-up Lens 250D cannot be attached 24mm 222 234 0.63× 0.50× be

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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° Vertical: 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 – 83 × 122 mm / 8.3 × 12.6 inch – 3.3 × 4.8 inch (at 0.38 m) Filter Diameter 77 mm Max. Diameter and Length 83.2 × 123.5 mm / 3.3 × 4.8 inch Weight 950 g / 33.3 oz Hood EW-83F Lens Cap

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