User Manual
Page 2
...UD lens elements, UD lens elements, and two types of light. 3. Manual focusing is a highperformance ultra-wide angle zoom lens, for use with EOS cameras. ●● "USM" stands for purchasing a Canon product. Ultrasonic motor (USM) for producing beautiful softfocus images. 7. ENG-1 Circular aperture for fast, quiet autofocus. 5. Tight ... of flare and ghost created by quite large incident angles of aspherical lens elements giving superior definition. 2. Canon's EF11-24mm f/4L USM is available after the subject comes into focus in autofocus mode (ONE SHOT AF). 6.
...UD lens elements, UD lens elements, and two types of light. 3. Manual focusing is a highperformance ultra-wide angle zoom lens, for use with EOS cameras. ●● "USM" stands for purchasing a Canon product. Ultrasonic motor (USM) for producing beautiful softfocus images. 7. ENG-1 Circular aperture for fast, quiet autofocus. 5. Tight ... of flare and ghost created by quite large incident angles of aspherical lens elements giving superior definition. 2. Canon's EF11-24mm f/4L USM is available after the subject comes into focus in autofocus mode (ONE SHOT AF). 6.