Canon EF 24-105mm f/4L IS USM EF24-105mm F4L IS USM Instruction Manual - Page 2

Thank you for purchasing a Canon product. The Canon EF24-105mm f/4L IS USM lens is a high-performance standard zoom lens developed for EOS cameras. It is equipped with an Image Stabilizer, and covers a wide range of focal lengths from wide angle to mid-telephoto. ¡"IS" stands for Image Stabilizer. ¡"USM" stands for Ultrasonic Motor. Features 1. The Image Stabilizer gives the equivalent effect of a shutter speed three stops faster.* 2. Aspheric and super 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. A truly round aperture hole results in a nicer background blur. 6. Tight seal structure ensures excellent dustproof and drip-proof performance. Conventions used in this instruction Warning to prevent lens or camera malfunction or damage. * Based on [1/focal length] second. Generally, it requires a shutter speed [1/focal length] second or faster to prevent camera shake. Supplementary notes on using the lens and taking pictures. ENG-1