Nomenclature
●①
●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
❷
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.
❸
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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