Canon lens EF 200400mm f4L IS USM Extender 14X User Manual

Instructions
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EF200-400mm f/4L IS USM Extender 1.4x 
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Thank you for purchasing a Canon product.
Equipped with a 1.4x internal extender and Image 
Stabilizer, the Canon EF200-400mm f/4L IS USM 
Extender 1.4x is a high-performance telephoto 
zoom lens, for use with EOS cameras.
●●“IS” stands for Image Stabilizer.
●● “USM” stands for Ultrasonic Motor.
Features
1. Equipped with an internal 1.4x extender. (The 
extender 
switch lever allows you to change the 
focal distance of the lens to either 1x or 1.4x.)
2.
 Equipped with an Image Stabilizer that...

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 Safety Precautions
 Safety Precautions
●●Do not look at the sun or a bright light source 
through the lens or camera.  Doing so could result in 
loss of vision. Looking at the sun directly through the 
lens is especially hazardous. 
●● Do not point the lens or camera at the sun or 
photograph it.  This is because the lens concentrates 
the sun’s rays even when the sun is outside the image 
area or when shooting with backlight, which could 
cause malfunction or fire.
●● Whether it is attached to...

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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 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...

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Nomenclature
●● For detailed information, reference page numbers are provided in parentheses (→  **).
Distance scale (→ 18)
Orientation locking knob (→ 21)
Security slot (covered) (→ 21)
Extender switch lock (→  15)
Extender switch lever (→  15)
Drop-in filter (→ 22)
Tripod mount (→ 21)Strap mount (→ 5)
Contacts (→ 5)
Focus mode switch (→ 6)Image stabilizer mode selector switch (→ 12)
Zoom ring (→ 11)
Focusing ring (→ 6)
Focus preset switch (→ 8)Focusing distance range 
selector switch (→ 6)Focus...

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1. Mounting and Detaching the Lens
See your camera’s instructions for details on 
mounting and detaching the lens.The lens mount has a rubber ring for enhanced 
dust- and water-resistance. The rubber ring may 
cause slight abrasions around the camera’s lens 
mount, but this will not cause any problems. If the 
rubber ring becomes worn, it is replaceable by a 
Canon Service Center at cost.
Attaching the strap
Thread the end of the strap through the strap 
mount on the lens and then back through the...

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2. Setting the Focus Mode3.  Switching the Focusing 
Distance Range
After autofocusing in ONE SHOT AF mode, focus 
manually by pressing the shutter button halfway 
and turning the focusing ring. (Full-time manual 
focus)
To shoot in autofocus (AF) mode, set the focus 
mode switch to AF.
To shoot in manual focus (MF) mode, set the 
focus mode switch to MF, and focus by turning 
the focusing ring. The focusing ring always 
works, regardless of the focus mode.
To shoot in power focus (PF) mode, set...

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4. AF Stop Button
The AF stop function also works in AI Servo AF 
mode.
Angle positioning of the AF stop button is 
adjustable by a Canon Service Center at cost.
●●With the EOS 630/600, RT, A2/A2E/5, or 10S/10 
set to the AI Servo AF mode and continuous 
shooting, AF will not resume even after you 
let go of the AF stop button. Press the shutter 
release button halfway to resume AF.
●● With the EOS A2/A2E/5 and 10S/10 set to the 
Sports mode, AF will not resume even after you 
let go of the AF stop...

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5. Focus Preset
By presetting any focusing distance, you can instantly focus at that point even while you are 
shooting a different subject. This function operates in any of the AF, PF, and MF modes.
< How to Set >
 Press the focus preset 
button.
●●The focused distance will be 
preset.
●● If the focus preset switch was 
set to 
, the beeper will 
sound once.
 Press the shutter button 
halfway  to focus the 
distance you want to 
preset. Set the focus preset switch 
to  ON or .
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Focus Preset
●●After the focus distance has been preset, turning 
the playback ring to a different zoom position or 
changing the internal extender setting will result 
in an out of focus picture. Therefore, use the 
focus preset function after zooming is completed 
and the internal extender has been set.
●● The focus preset function will not operate for a 
few seconds after setting the internal extender 
(the amount of time varies depending on the 
camera used).
●● After setting the internal...