Canon EF 1.4X Extender Manual

Canon Kamera EF 1.4X Extender

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Side 1/1

CT1-7530-008

ENG

Extender EF1.4X II/ EF2X II

q Lens mount index (on lens)

w Lens mount index (on camera)

e Lens release lever

r Contacts

t Rubber ring

Thank you for purchasing a Canon product.

The high-performance Canon Extender EF1.4X II and Extender EF2X

II increase the focal length of the attached EF lens by 1.4X and 2X

respectively.

aSafety Precautions

•Do not look at the sun or a bright light source through the lens

with the extender attached, or with a camera with the extender

and lens attached. Doing so could result in visual impairment. In

particular, never look at the sun directly through the lens with the

extender attached, because that could result in loss of vision.

•Do not leave the lens with the extender attached, or a camera

with the extender and lens attached in the sun without the lens

cap on. That may result in concentrating the sun's rays, causing a

fire.

Mounting and dismounting the Extender

First attach the Extender to the lens, then attach it to the camera. To

detach it, follow the same procedure in reverse.

To detach the Extender from the lens, slide the lens release lever as

shown by the arrow, then turn the Extender counterclockwise.

Maximum Aperture with the Extender

When Extender EF1.4X II is attached, the lens maximum aperture will

be smaller (darker) by 1 stop. With Extender EF2X II, the maximum

aperture will be smaller by 2 stops. In any case, the camera will

compensate the exposure automatically.

Caution

• Do not attach two or more Extenders on the same camera. Doing so

will degrade the optical performance and the camera will not be able

to obtain proper exposure readings.

• To enhance water and dust resistance, the Extender EF1.4X II and

EF2X II have a rubber ring around the mount. As the lens is

repeatedly mounted and detached, the rubber ring will leave fine

abrasion marks on the outside of the camera mount. This will not

affect operation.

The rubber ring can be replaced by a Canon service center (a fee

will be charged).

• Autofocusing slows down when the lens is used with an extender, in

order to maintain the precision of autofocus control.

• If you have an EOS A2/A2E/5 and use an Extender with any of the

lenses listed above, set -1/2-stop exposure compensation with the

EF1.4X II or -1 stop with the EF2X II.

Major Specifications

Mount: Canon EF mount (Electronically controlled)

Lens construction: EF1.4X II: 5 elements in 4 groups

EF2X II: 7 elements in 5 groups

Dimensions

(Max. dia. length):×EF1.4X II: 72.8 dia. 27.2 mm / 2.85 × × 1.06 inch

EF2X II: 71.8 dia. 57.9 mm / 2.8 2.26 inch× ×

Weight: EF1.4X II: 220 g / 7.8 oz, EF2X II: 265 g / 9.3 oz

Case: EF1.4X II/EF2X II: LP811

* All specifications are based on Canon's tests and measurements.

* Product specifications and appearance are subject to change without

notice.

Usable lenses:

* Refer to the camera and lens instruction booklets to see if there are any

AF compatibility limitations.

* The maximum aperture is indicated in half-stop increments.

EF1.4X II

189mm f/2.8

252mm f/4.5

280mm f/2.5

280mm f/4

420mm f/4

420mm f/5.6

560mm f/4

560mm f/5.6

560mm f/8

700mm f/5.6

700mm f/6.7

840mm f/5.6

1680mm f/8

280

mm f/4

280

mm f/4

280

mm f/5.6

280

mm f/5.6

140

560

mm f/6.7-8

EF2X II

270mm f/4

360mm f/6.7

400mm f/3.5

400mm f/5.6

600mm f/5.6

600mm f/8

800mm f/5.6

800mm f/8

800mm f/11

1000mm f/8

1000mm f/9.5

1200mm f/8

2400mm f/11

140

400

mm f/5.6

140

400

mm f/5.6

140

400

mm f/8

140

400

mm f/8

200

800

mm f/

Focal Length & Maximum Aperture

Lens

EF135mm f/2L USM

EF180mm

3.5L MACRO USM

EF200mm f/1.8L USM

EF200mm f/2.8L USM

EF200mm f/2.8L II USM

EF300mm f/2.8L USM

EF300mm f/2.8L IS USM

EF300mm f/4L USM

EF300mm f/4L IS USM

EF400mm f/2.8L USM

EF400mm f/2.8L II USM

EF400mm f/2.8L IS USM

EF400mm f/4 DO IS USM

EF400mm f/5.6L USM

EF500mm f/4L IS USM

EF500mm f/4.5L USM

EF600mm f/4L USM

EF600mm f/4L IS USM

EF1200mm f/5.6L USM

EF70-200mm f/2.8L USM

EF70-200mm f/2.8L IS USM

EF70-200mm f/4L USM

EF70-200mm f/4L IS USM

EF100-400mm f/4.5-5.6L IS USM

Produkt Specifikationer

Mærke:	Canon
Kategori:	Kamera
Model:	EF 1.4X Extender

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