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- EF Mount Lens
- Aperture Range: f/4.5-40
- Diffractive Optical Elements
- Two-Mode Image Stabilization System
The EF 70-300mm f/4.5-5.6 DO IS USM Lens from Canon is a relatively compact telephoto zoom offering superior maximum-aperture performance across its entire focal length range. It incorporates Canon's DO (Diffractive Optics) and IS (Image Stabilizing) technologies.