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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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