Canon EF 28mm f/2.8 IS USM 手册

ZER OFF

M

F

●

❶

●

❷

1.4

0.5 1

3 7

22

22

11 11

f t

m

●

❹

●

❸

Infinity compensation mark

Distance index

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.

●

 “IS” stands for Image Stabilizer.

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 “USM” stands for Ultrasonic Motor.

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camera. Doing so could result in loss of vision.

  Looking at the sun directly through the lens is especially hazardous.

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the sun without the lens cap attached. This is to prevent the lens from 

concentrating the sun’s rays, which could cause a fire.

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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.

●

 Do not leave the lens in excessive heat such as in a car in direct sunlight. 

Warning to prevent lens or camera malfunction or damage.

Supplementary notes on using the lens and taking pictures.

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 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.

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 If the contacts get soiled or have fingerprints on them, clean them with a 

soft cloth.

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 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 

●

❶

. To remove it, reverse the order.

To shoot in autofocus (AF) mode, set the focus mode switch to AF 

❷

.

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 

❸

.

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 compensate for shifting of the infinity focus point that results from changes in 

temperature.  

The infinity position at normal temperature is the point at which the vertical line of 

the distance scale L mark is aligned with the distance index 

❹ .

For accurate manual focusing of subjects at infinity, look through the 

viewfinder or look at the magnified image* on the LCD screen while 

rotating the focusing ring.

* For cameras with Live View shooting capability.

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①

  Distance scale

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②

  Distance index

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③

  Focusing ring

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④

  Focus mode switch

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⑤

  Image Stabilizer switch

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⑥

  Lens mount index

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⑦

  Contacts

EF24mm f/2.8 IS USM
EF28mm f/2.8 IS USM

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