Canon EF 180mm f/3.5L Macro USM EF180mm F3.5L MACRO USM Instruction Manual - Page 2

Thank you for purchasing a Canon product. The Canon EF180mm f/3.5L MACRO USM lens is a high-performance telephoto macro lens for EOS cameras that can be used for normal photography and close-up pictures up to 1:1, or life-size, magnification. • "USM" stands for Ultrasonic Motor. Conventions used in this instruction Warning to prevent lens or camera malfunction or damage. Supplementary notes on using the lens and taking pictures. Features 1. The floating system and UD element result in excellent delineation at all focusing distances from life-size to infinity. 2. Ultrasonic motor (USM) for quick and quiet autofocusing. 3. Manual focusing is available after the subject comes into focus in autofocus mode (ONE SHOT AF). 4. A Canon macro flash makes it easy to take close-up pictures with a flash. The inner focusing mechanism enables AF photography while the macro flash is attached. 5. The lens is compatible with Extender EF1.4X ll and EF2X ll. ENG-1