EF-S17-55mm F2.8 IS USM Instruction Manual
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... standard zoom lens equipped with an Image Stabilizer. Supplementary notes on [1/(focal length x 1.6)] second. Features 1. With an EF-S lens, it requires a shutter speed [1/focal length] second or faster to prevent lens or camera malfunction or damage. * Based on using the lens and taking pictures. ENG-1 A truly round aperture hole results in 35mm format. Ultrasonic motor (USM) for purchasing a Canon...
... standard zoom lens equipped with an Image Stabilizer. Supplementary notes on [1/(focal length x 1.6)] second. Features 1. With an EF-S lens, it requires a shutter speed [1/focal length] second or faster to prevent lens or camera malfunction or damage. * Based on using the lens and taking pictures. ENG-1 A truly round aperture hole results in 35mm format. Ultrasonic motor (USM) for purchasing a Canon...