Canon EF 35mm f/1.4L II USM 手册

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EF35mm f/1.4L II USM is a large-diameter wide-angle lens for EOS cameras.

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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.

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

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 When using this lens, please check the Canon website for the latest camera 

firmware. If the camera’s firmware is not the latest version, be sure to update 

to the latest firmware.

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 For details on updating firmware, please check the Canon website.

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.

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 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 lens cap and dust cap. To attach 

the dust cap properly, align the lens mount index and the 

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 index of the 

dust cap, and turn clockwise 

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. To remove it, reverse the order.

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 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.

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

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To shoot in manual focus (MF) mode, set the focus mode switch to MF, and turn 

the focusing ring to set the focus 

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The focusing ring always works, regardless of the focus mode.

When the camera AF mode is ONE SHOT AF, focus manually by pressing 

the shutter button halfway and turning the focusing ring. (Full-time manual 

focus)

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  Focusing ring

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  Hood mount

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  Filter mounting thread

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  Distance scale

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  Rubber ring

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  Focus mode switch

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  Lens mount index

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 Contacts

EF35mm f/1.4L II USM