Canon Camera Lens EF 300mm f 4L IS USM User Manual

EF300mm F4L IS USM

Instruction

a Safety Precautions

(1) Whether it is attached to the camera or not, do not leave the lens under the sun without the

lens cap attached.

This is to prevent the lens from concentrating the sun’s rays which can cause a fire.

(2) Do not look at the sun or a bright light source through the lens or camera.

Doing so can result in loss of vision. Looking at the sun through the detached lens is especially

hazardous.

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Nomenclature

Focus mode switch

Lens mount index

Tripod collar index

Image Stabilizer mode switch

Distance scale window

Built-in hood

STABILIZER MODE

STABILIZER

Focusing ring

Contacts

Image Stabilizer switch

Tripod collar mount

Distance range limiter switch

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ILIZ

Remove the lens cap by

pressing both clasps.

•

After detaching the lens,

attach the dust cap to the rear

of the lens to protect the

electrical contacts and lens

surface from scratching.

1. Attaching and

Detaching the Lens

■ Detaching the lens

■ Attaching the lens to

Hold down the lens release

button on the camera and turn

the lens counterclockwise until

it detaches.

the camera

If the contacts are dirty,

scratched, or soiled with

fingerprints, etc., corrosion or

a faulty connection or

Remove the lens dust cap

by turning it

counterclockwise.

operation may result.

Align the lens mount index

If the lens surface is dirty, the

lens may not autofocus

properly.

with the red dot on the

camera. Then turn the lens

clockwise until it locks in

place.

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•

Before switching the focusing

distance range from 1.5 m -

infinity to 3 m - infinity, first

turn the focusing ring so that

the distance scale index is

within 3 m - infinity.

If the distance scale index is

within 1.5 - 3 m and the

focusing limiter switch is set

to 3 m - infinity, initial

3. Switching the

Focusing Distance

Range

2. Setting the Focus

Mode

autofocusing may cause the

lens to first stop at 3 m on the

distance scale. This is not a

malfunction. If this occurs,

press the shutter button again

to resume normal

To enable autofocus, set the

focus mode switch to AF. To

focus manually, set the focus

mode switch to MF and turn the

focusing ring.

One of two focusing distance

ranges can be set with the

focusing limiter switch: 1.5 m -

infinity or 3 m - infinity.

autofocusing.

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values, please refer to the

specifications.

4. Macro Mechanism

This lens is equipped with a

macro mechanism for low

magnification close-up

photography. Autofocus

function is also possible in the

macro range as in normal

shooting.

If a picture with maximum

magnification and minimum

field of view coverage is

5. Full-time Manual

Focusing

Full-time manual focusing

enables you to focus manually

even in the autofocus mode.

Set the camera to One-Shot

AF. After focus is achieved,

hold down the shutter button

halfway and turn the focusing

ring to focus manually.

required in the macro range, set

the AF mode to manual, turn

the manual focusing ring to the

minimum focusing distance in

the macro range. Then while

looking through the viewfinder,

move the camera (or your body)

back and forth slowly until the

image becomes clear. For the

actual maximum magnification

and minimum field of view

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3) Using flash is undesirable.

STABILIZER MODE

The Image Stabilizer is

effective with the following

shutter speeds:

STABILIZER

Attachments

None

Shutter Speed

1/30 - 1/125 sec.

1/40 - 1/200 sec.

1/60 - 1/250 sec.

With EF 1.4× ll

With EF 2× ll

Press the shutter button

halfway to activate the

Image Stabilizer.

6. Using the Image

Stabilizer

■

Image Stabilizer Mode 2

Turn on (｜) the Image

Stabilizer switch.

Set the Image Stabilizer

Mode switch to 1 or 2. (For

normal use, set to 1.)

Use this mode when panning a

shot. It helps to steady the

image in the viewfinder.

■

Image Stabilizer Mode 1

Image Stabilizer Mode 1 is

especially effective in the

following situations:

1) The subject is still.

2) The scene is dark such as at

sunset or indoors.

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•

If the camera’s Custom Function is used to alter the AF activation method, the Image Stabilizer will be activated

by the altered method.

•

Before shooting, look through the viewfinder and check that the image has been stabilized.

The Image Stabilizer operates normally even with Extender EF 1.4× ll attached.

With Extender EF2× II attached to the lens, the Image Stabilizer will work with the following cameras:

EOS-1Ds Mark II, EOS-1Ds, EOS-1D Mark II N, EOS-1D Mark II, EOS-1D, EOS 5D, EOS 30D, 20D, 20Da, 10D,

DIGITAL REBEL XTi/400D DIGITAL, DIGITAL REBEL XT/350D DIGITAL, DIGITAL REBEL/300D DIGITAL,

D60, D30, EOS DCS1, DCS3, D2000, D6000, EOS-1V/HS, EOS-1N/DP/HS/RS, 3, ELAN 7E/ELAN 7/30/33,

ELAN 7NE/ELAN 7N/30V/33V, ELAN II/ELAN IIE/50/50E, REBEL X/REBEL XS/500, REBEL G/500N, REBEL

2000/300, REBEL Ti/300V, REBEL T2/300X, REBEL K2/3000V, IX, IX Lite/IX7, 3000/88, 5000/888

Notes for Image Stabilizer Mode 1

•

The Image Stabilizer may not be effective in the following cases:

1 During camera movement such as panning.

2 During picture-taking on a moving boat, car, etc.

Note for Image Stabilizer Mode 2

•

Use this mode only for panned shots, etc. Normally, use Image Stabilizer Mode 1.

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•

Do not turn on (｜) the Image Stabilizer switch when using the camera on a tripod. Doing so may cause Image

Stabilizer misoperation. Turn off the Image Stabilizer before using the camera on a tripod.

•

For bulb exposures, turn off (○) the Image Stabilizer switch to prevent misoperation.

With the EOS-1V/HS, 3, ELAN 7E/ELAN 7/30/33, ELAN 7NE/ELAN 7N/30V/33V, ELAN II/ELAN II E/50/50E,

REBEL2000/300, IX, and D30, the Image Stabilizer will not work during self-timer operation.

•

If the tripod collar covers the Image Stabilizer switch or Image Stabilizer Mode switch, the switch will be

inaccessible. Loosen the tripod collar lock nut and turn the camera to expose the switches.

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STABILIZER

15 30

5 10

STABILIZER MODE

STABILIZER

Turn the tripod collar’s lock

nut to loosen.

7. Infinity Compensation Mark

8. Using the Tripod

Collar

To compensate for shifts in the

lens’ infinity position on the

distance scale due to temperature

changes, the focusing ring can be

turned slightly beyond the normal

infinity position. In room

temperature, the infinity position

on the distance scale is indicated

by the L symbol which should be

aligned with the distance scale

index.

Align the tripod collar’s red

dot with the lens mount

index, then pull the tripod

collar as shown by the

arrow.

Loosen the tripod collar’s lock

nut and turn the camera to

switch between horizontal and

vertical framing. When

detaching the tripod collar from

the lens, detach the camera

from the lens first.

■ Detaching the tripod

collar

To confirm accurate focus, look

through the viewfinder.

Detach the lens from the

camera.

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STABILIZER MODE

STABILIZER

STABILIZER MODE

Tighten the tripod collar’s

lock nut.

■ Attaching the tripod

9. Hood

collar

The hood guards the front part

of the lens against rain, snow,

dust and stray light which may

cause flare and ghost images.

To use the hood, pull it out all

the way, then turn it as shown

by the arrow to lock it.

Detach the lens from the

camera.

Turn the tripod collar’s lock

nut to loosen.

Align the tripod collar’s red

dot with the lens mount

index, then align the tripod

collar’s index mark with the

lens’ distance scale index.

To collapse the hood, follow the

procedure in reverse.

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11. Extenders (Sold separately)

10. Filters

(Sold separately)

The lens can be used with Extender EF 1.4× ll and 2× ll. The lens

specifications when an Extender is attached are shown below.

The lens accepts up to two

screw-on filters.

With EF 1.4× ll

420mm

6°10'

With EF 2× ll

600mm

4°10'

When a polarizing filter is

required, use Canon’s PL-C

77mm II polarizing filter.

Focal Length

Diagonal Extent

Angle of View Vertical Extent

Horizontal Extent

3°20'

2°20'

5°

3°30'

•

The polarizing filter cannot be

used together with a normal

filter.

Max. Magnification

Focus Mode

0.33×

0.47×

AF enabled*

f/5.6-f/45

Manual focus

f/8-f/64

Aperture Range

A polarizing filter attached to

the lens cannot be turned

while the built-in hood is

extended.

When an Extender EF 1.4× ll is attached, the AF speed

becomes slower to maintain adequate AF control.

•

With Extender 2× ll attached to the lens, only manual focus will be

possible. The only exceptions are with the EOS-1V/HS, 3, 1Ds Mark

II, 1Ds, 1D Mark II N, 1D Mark II, and 1D which can still autofocus,

but only with the center focusing point.

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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

following measures:

• Reorient or relocate the receiving

antenna.

• Increase the separation between the

equipment and receiver.

12. Major Specifications

Focal Length and Max. Aperture:

300mm, f/4

interference received, including

interference that may cause undesired

operation.

• Connect the equipment into an outlet on

a circuit different from that to which the

receiver is conected.

• Consult the dealer or an experienced

radio/ TV technician for help.

Construction:

15 elements in 11 groups

Angle of View (Diagonal, vertical,

horizontal extents):

8˚15’, 4˚35’, 6˚50’

Max. Magnification and Picture

Field:

0.24×, 101 mm × 150 mm (at 1.5 m)

Min. Focusing Distance:

1.5 m / 4.9 ft. (Macro)

Max. Diameter and Length:

90 mm×221 mm / 3.5×8.7inch

Weight: 1190 g / 2.6 lb.

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 equipmet.

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

"This digital apparatus does not

exceed the Class B limits for radio

noise emissions from digital

apparatus as set out in the

interference-causing equipment

standard entitled "Digital Apparatus",

ICES-003 of the Industry Canada."

* The lens length is measured from the

mount to the front of the lens. Add 21.5

mm when including the lens cap and

dust cap.

* The dimensions and weight are for the

lens only.

* With this lens, no compensation is

necessary for infrared film.

* Product specifications and the external

appearance may be changed without

notice.

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

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2006.9.1

CT1-7514-006

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