CT1-7530-008
Thank you for purchasing a Canon product.
ENG Extender EF1.4X II/ EF2X II
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.
1
aSafety Precautions
5
• 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.
2
4
3
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.
1
To detach the Extender from the lens, slide the lens release lever as
shown by the arrow, then turn the Extender counterclockwise.
5
4
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
compensthe exposure automatically.
3
2
Cauti
o not ath two or more Extenders on the same camera. Doing so
ll degradhe optical performance and the camera will not be able
to obtain proper exposure readings.
q Lens mount index (on lens)
w Lens mount index (on camera)
e Lens release lever
r Contacts
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.
t Rubber ring
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.
Usable lenses:
Focal Length & Maximum Aperture
EF1.4X II
189mm f/2.8
252mm f/4.5
280mm f/2.5
280mm f/4
280mm f/4
420mm f/4
420mm f/4
420mm f/5.6
420mm f/5.6
560mm f/4
560mm f/4
560mm f/4
560mm f/5.6
560mm f/8
700mm f/5.6
700mm f/6.7
840mm f/5.6
840mm f/5.6
1680mm f/8
EF2X II
Lens
• 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.
270mm f/4
EF135mm f/2L USM
360mm f/6.7
400mm f/3.5
400mm f/5.6
400mm f/5.6
600mm f/5.6
600mm f/5.6
600mm f/8
EF180mm f/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
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
600mm f/8
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
(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
800mm f/5.6
800mm f/5.6
800mm f/5.6
800mm f/8
800mm f/11
1000mm f/8
1000mm f/9.5
1200mm f/8
1200mm f/8
2400mm f/11
* All specifications are based on Canon's tests and measurements.
* Product specifications and appearance are subject to change without
notice.
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
98
-
-
-
-
-
280mm f/4
140-
140-
140-
140-
200-
400mm f/5.6
400mm f/5.6
400mm f/8
400mm f/8
98
280mm f/4
98
280mm f/5.6
280mm f/5.6
560mm f/6.7-8
98
140
800mm f/9.5-11
* 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.
CANON INC. 2002
2008.5
©
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