Canon 5179B002 User Manual

Nomenclature  
 
②  
③  
④  
⑤  
⑥  
⑦  
Distance scale  
Distance index  
Focusing ring  
Focus mode switch  
Image Stabilizer switch  
Lens mount index  
Contacts  
EF Lenses  
EF24mm f/2.8 IS USM  
EF28mm f/2.8 IS USM  
Instructions  
Thank you for purchasing a Canon product.  
2. Setting the Focus Mode  
EF24mm f/2.8 IS USM and EF28mm f/2.8 IS USM are compact, wide-angle  
single focus lenses that provide high image quality.  
To shoot in autofocus (AF) mode, set the focus mode switch to AF  
.
❶  
❷  
❸  
❹  
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  
“IS” stands for Image Stabilizer.  
“USM” stands for Ultrasonic Motor.  
focus mode  
.
After autofocusing in ONE SHT AF mode, focus manually by pressing  
the shutter button halfway and rning the focusing ring. (Full-time manual  
focus)  
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.  
ER  
F
Looking at the sun directly through the lens is especially hazardous.  
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.  
3. Infinity CompeMark  
To compensate for she infinitocus point that results from changes in  
temperature.  
The infiniat al temperature is the point at which the vertical line of  
❹ .  
the distamars aligned with the distance index  
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.  
For nual cusing of subjects at infinity, look through the  
viewk at the magnified image* on the LCD screen while  
rotatinusing ring.  
* For caeras with Live View shooting capability.  
Do not leave the lens in excessive heat such as in a car in direct sunlight.  
High temperatures can cause the lens to malfunction.  
Conventions used in this instruction  
Warning to prevent lens or camera malfunction or damage.  
Supplementary notes on using the lens and taking pictures.  
1. Mounting and Detaching the Lens  
See your camera’s instructions for details on mounting and detaching the  
lens.  
Infinity compensation mark  
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.  
ft  
m
1.4 3 7  
0.5  
1
22 11 11 22  
If the contacts get soiled or have fingerprints on them, clean them with a  
soft cloth.  
Distance index  
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  
❶  
clockwise . To remove it, reverse the order.  

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