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Canon’s EF500mm f/4L IS II USM and EF600mm f/4L IS II USM are high-performance super- telephoto lenses, for use with EOS cameras.

OO“IS” stands for Image Stabilizer. OO “USM” stands for Ultrasonic Motor.

Features

1.The Image Stabilizer gives the equivalent effect of a shutter speed four stops* faster.

Also, a third Image Stabilizer mode effective for shooting irregularly moving subjects.

2.Use of fluorite lens elements giving superior

definition.

3. SWC (Subwavelength Structure oating) reduces flare and ghosting.

4.Using a fluorine coating on the foremost and rearmost lens surfaces allows adhered dirt to be removed more easily than before.

5.Ultrasonic motor (USM) for fast, quiet autofocus.

6.Manual focusing is available after the subject comes into focus in autofocus mode (ONE SHOT AF).

7.An AF stop button to pause autofocus whenever desired.

8.A power focus mode enables smooth focus change.

9.A focus preset function for advance storage of focusing positions in memory to allow instantaneous focusing.

10.Circular aperture for producing beautiful softfocus images.

11.Can be used with EF1.4× III/EF2× III extenders.

12.Attachment slot provided for wire-type security lock, located under the cover for the orientation locking knob.

13.Tight seal structure ensures excellent dustproof and drip-proof performance.

14.Designed for lighter weight with parts made of magnesium alloy.

*Based on [1/focal length] second.

Generally, it requires a shutter speed [1/focal length] second or faster to prevent camera shake.

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