Cannon Camera Lens canon extender User Manual

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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