High-performance L-series super-telephoto lens, with 4 stop Image Stabilizer technology in 3 selectable modes ideal for tracking action – perfect for subjects within sports and wildlife. The fast f/2.8 aperture at the 300mm focal length provides beautiful background blur, performing well in low light areas such as indoor and outdoor sports, and wildlife at dusk. The in-built Ultra-Sonic Motor (USM) drives fast and quiet Auto Focus with optional full manual override and this lightweight lens is part of the Canon professional L-series flagship range, designed for robust handling and resistant to dust and moisture. More information: Performance | Manual focus | Yes |  | AF actuator | Ring USM | | Maximum magnification | 0.18 x | Other features | Magnification | 0.18 x | Lens system | Component for | SLR | | Lens structure (elements/groups) | 16/12 | | Lens type | Telephoto lens | | Closest focusing distance | 2 m | | Maximum aperture number | 32 | | Lens mount interface | Canon EF | | Lens viewing angle, horizontal | 6.85 ° | | Focus adjustment | Manual | | Lens viewing angle, vertical | 4.53 ° | | Lens viewing angle, diagonal | 8.25 ° | | Number of diaphragm blades | 9 | | Image stabilizer | Yes | | Image stabilizer number of stops | 4 | Weight & dimensions | Diameter | 128 mm | | Filter size | 52 mm | | Length | 248 mm | | Weight | 2400 g |
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