Canon EF28-70mm f/2.8L USM Instruções - Página 2

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5. Infinity Compensation Mark

To compensate for 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 mark is aligned with the distance indicator on

the distance scale.

• For accurate focusing in MF on subjects at infinity distance, look

through the viewfinder while rotating the focusing ring

6. Hood

To attach the hood, align the hood's attachment position mark

with the red dot on the front of the lens, then turn the hood in the

direction of the arrow until the lens's red dot is aligned with the

hood's stop position mark

❽

The hood can be reverse-mounted on the lens for storage.

• Part of the picture may be blocked if the hood is not attached

properly.

7. Filters (Sold Separately)

You can attach filters to the filter mounting thread on the front of

the lens.

• Use a polarizing Canon filter (77mm).

8. Switching the Focusing Distance Range (EF70-

200mm f/2.8L USM Only)

You can set the focusing distance range to 1.5 m/4.9 ft. to infinity or

3m/9.8 ft. to infinity

❾

• If you use AF from outside the specified focusing distance range,

the lens may stop focusing when it reaches the limit of the range.

This is not a malfunction. If this occurs, press the shutter button

halfway down again.

9. Extenders (Sold Separately: EF70-200mm f/2.8L USM

Only)

AF is possible with Extender EF1.4× II/EF2× II.

• The aperture F values and focal lengths when an extender is used

are as follows:

EF1.4× II: f/4, 98-280mm, EF2× II: f/5.6, 140-400mm

Attach the extender to the lens, and then attach the lens to the

camera. To remove it, reverse the order. Errors may occur if you

attach the extender to the camera first.

When you are using an extender, use the center focusing point for

AF. If you use AF with a different focusing point, a focusing error

may occur.

Specifications

Angle of view

Diagonal

Vertical

EF17-35mm f/2.8L USM

104°-63°

70°30'-38°

EF28-70mm f/2.8L USM

75°-34°

46°-19°30'

EF70-200mm f/2.8L USM

34°-12°

19°30'-7°

CT1-7508-016

10. Using the Tripod Mount (EF70-200mm f/2.8L USM

Only)

By loosening the orientation locking knob on the tripod mount you

can rotate the camera to set the image for any vertical or horizontal

position.

Detaching the Tripod Mount

First remove the lens from the camera and then remove the tripod

❼

mount from the lens as shown below. To attach the tripod mount,

reverse the procedure.

1) Loosen the orientation locking knob

2) Align the red mark on the tripod mount with the lens mount

index

3) Slide off the tripod collar away from the rear of the lens

The lens length is measured from the mount surface to the front

end of the lens. Add 21.5 mm when including the lens cap and

dust cap.

The size and weight listed are for the lens only, except as

indicated.

Aperture settings are specified on the camera. The camera

automatically compensates for variations in the aperture setting

when the camera is zoomed in or out.

All data listed is measured according to Canon standards.

Product specifications and appearance are subject to change

without notice.

This device complies with Part 15 of the FCC Rules. Operation is

subject to the following two conditions: (1) This device may not cause

harmful interference, and (2) this device must accept any interference

received, including interference that may cause undesired operation.

Do not make any changes or modifications to the equipment

unless otherwise specified in the instructions. If such changes

or modifications should be made, you could be required to stop

operation of the equipment.

This equipment has been tested and found to comply with the limits

for a class B digital device, pursuant to part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against

harmful interference in a residential installation. This equipment

generates, uses and can radiate radio frequency energy and, if not

installed and used in accordance with the instructions, may cause

harmful interference to radio communications.

However, there is no guarantee that interference will not occur

in a particular installation. If this equipment does cause harmful

interference to radio or television reception, which can be determined

by turning the equipment off and on, the user is encouraged to try to

correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Consult the dealer or an experienced radio/TV technician for help.

This Class B digital apparatus complies with Canadian ICES-003.

Lens

Minimum

Max. magnification and field of view

construction

aperture

Horizontal

0.06 -0.11× 432 × 671 mm -214 × 320 mm

93°-54°

10-15

(17" × 26.4"-8.4" × 12.6")

0.08 -0.18× 298 × 452 mm -133 × 198 mm

65°-29°

11-16

(11.7" × 17.8"-5.2" × 7.8")

0.06 -0.16× 409 × 617 mm -152 × 226 mm

29°-10°

15-18

(16.1" × 24.3"-6" × 8.9")

❼

●

❽

●

❾

●

Min. focusing

distance

0.42 m

0.5 m

1.5 m

●

Tripod mount

●

Filter diameter

Max. diameter

Weight

and length

83.5 × 95.7 mm

545 g

77 mm <1>

(3.3" × 3.8")

(19.1 oz)

83.2 × 117.6 mm

880 g

77 mm <1>

(3.3" × 4.6")

(30.8 oz)

84.6 × 193.6 mm

1,310 g

77 mm <1>

(3.3" × 7.6")

(45.9 oz)

Orientation locking knob

Hood

Case

EW-83 CII

LP1216

EW-83 BII

LP1219

ET-83II

LZ1324

2008.5