EF70-200mm F4L USM Instruction Manual
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... Ultrasonic Motor. Manual focusing is a compact, high-performance telephoto zoom lens for Canon EOS cameras. • "USM" stands for quick and quiet autofocusing. 3. The lens is obtained. 2. Conventions used in autofocus mode (ONE SHOT AF). 4. ENG-1 Features 1. Supplementary notes on using the lens and taking pictures. The Canon EF70-200mm f/4L USM lens is available after the subject comes into focus in this instruction...
... Ultrasonic Motor. Manual focusing is a compact, high-performance telephoto zoom lens for Canon EOS cameras. • "USM" stands for quick and quiet autofocusing. 3. The lens is obtained. 2. Conventions used in autofocus mode (ONE SHOT AF). 4. ENG-1 Features 1. Supplementary notes on using the lens and taking pictures. The Canon EF70-200mm f/4L USM lens is available after the subject comes into focus in this instruction...