Canon 300X Spécifications télécharger pdf (Page 2)

ENG-1

The Canon EF300mm f/4L IS USM lens is a

high-performance telephoto zoom lens for EOS

cameras, and it is equipped with an Image

Stabilizer.

• "IS" stands for Image Stabilizer.

• "USM" stands for Ultrasonic Motor.

Features

1. The Image Stabilizer gives the equivalent

effect of a shutter speed two stops faster*.

The lens also has a second image stabilizer

mode that is optimized for following shots of

moving subjects.

2. UD lens elements for excellent imaging

performance.

3. Ultrasonic motor (USM) for quick and quiet

autofocusing.

4. Manual focusing is available after the subject

comes into focus in autofocus mode (ONE

SHOT AF).

5. The lens is compatible with Extender EF1.4X ll

and EF2X ll.

* Based on [1/focal length] second. Generally, it requires

a shutter speed [1/focal length] second or faster to

prevent camera shake.

Thank you for purchasing a Canon product.

Conventions used in this instruction

Warning to prevent lens or camera malfunction

or damage.

Supplementary notes on using the lens and

taking pictures.

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Canon 300X Spécifications Page 2