EF-S17-55mm F2.8 IS USM Instruction Manual
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...for EOS cameras* compatible with EF-S lenses. Aspheric and UD lens elements for Ultrasonic Motor. ENG-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. A truly... Generally, it would be [1/(focal length x 1.6)] second). Features 1. Manual focusing is a large-aperture, high-performance standard zoom lens equipped with a large f/2.8 aperture. 3. The Canon EF-S17-55mm f/2.8 IS USM lens is available after the subject comes into focus in 35mm format.
...for EOS cameras* compatible with EF-S lenses. Aspheric and UD lens elements for Ultrasonic Motor. ENG-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. A truly... Generally, it would be [1/(focal length x 1.6)] second). Features 1. Manual focusing is a large-aperture, high-performance standard zoom lens equipped with a large f/2.8 aperture. 3. The Canon EF-S17-55mm f/2.8 IS USM lens is available after the subject comes into focus in 35mm format.