Canon Camera Lens 2567A004 User Manual

Nomenclature  
①  
②  
③  
④  
⑤  
⑥  
⑦  
⑧  
⑨  
⑩  
Hood mount  
Zoom ring  
Focusing ring  
Zoom position index  
Distance scale  
Focus mode switch  
Lens mount index  
Contacts  
EF Zoom Lenses  
EF17-35mm f/2.8L USM  
EF28-70mm f/2.8L USM  
EF70-200mm f/2.8L USM  
Instructions  
Distance index  
Infrared index  
Thank you for purchasing a Canon product.  
Safety Precautions  
1. 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.  
2. 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 could  
cause a fire.  
2. Setting the Focus Mode  
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.  
 
❷  
❸  
❹  
❺  
❻  
• After autofocusing in ONE SHOT AF mode, focus manually by  
pressing the shutter button halfway and turning the focusing  
ring. (Full-time manual focus)  
3. Zooming  
To zoom, turn the lens’ zoom ring .  
• Be sure to finish zooming before focusing. Chae zoom  
ring after focusing can affect the focus.  
Handling Cautions  
If the lens is taken from a cold environment into a warm one,  
condensation may develop on the lens surface and internal  
parts. To prevent condensation in this case, first put the lens  
into an airtight plastic bag before taking it from a cold to  
warm environment. Then take out the lens after it has warmed  
gradually. Do the same when taking the lens from a warm  
environment into a cold one.  
4. Infrared Index  
The infrared index corrects the focus when
monochrome infrared film.  
Focus on the subject in MF, then ance ing by  
moving the focusing ring to the cofrarendex mark  
.  
• The infrared index osition is basength of 800 nm.  
• Be sure to observe manufactureions when using  
infrared film.  
1. Mounting and Detaching the Lens  
See your camera’s instructions for details on mounting and  
detaching the lens.  
• Use a red filter also hen you e the picture.  
• After detaching the lens, place the lens with the rear end up to  
prevent the lens surface and contacts from getting scratched.  
• If the contacts get soiled, scratched, or have fingerprints on them,  
corrosion or faulty connections can result. The camera and lens  
may not operate properly.  
• If the contacts get soiled or have fingerprints on them, clean them  
with a soft cloth.  
• If you remove the lens, cover it with the dust cap. To attach it  
properly, align the lens mount index and the index of the dust  
cap, and turn clockwise. To remove it, reverse the order.  
 

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