Canon EF 100-400mm f/4.5-5.6L IS USM Overview
Telephoto zoom lens | Canon EF | 2577A002
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Product description
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The Canon EF 100-400mm F4.5-5.6L IS USM is a stabilized super-telephoto zoom lens for Canon's full-frame and APS-C digital SLRs. One of the older L-series lenses in Canon's current lineup, the 100-400mm has long been a favorite of enthusiast photographers working in the sports and wildlife fields, and it is compatible with Extenders 1.4x II and 2x II for even more reach (albeit with a penalty in maximum aperture and critical image quality). The lens is weather-sealed, and its push-pull zoom action has a friction control. The downside of the push-pull design is that it tends to suck in dust, over time. Optical construction includes fluorite and Super UD-glass elements.
Quick specs
| Lens type | Zoom lens |
| Focal length | 100–400 mm |
| Image stab. | Yes (2 stops) |
| Lens mount | Canon EF |
| Max aperture | F4.5–5.6 |
| Min aperture | F32–40 |
| Min focus | 1.80 m (70.87″) |
| Max magnification | 0.2× |
| Weight | 1380 g (3.04 lb) |
| Length | 189 mm (7.44″) |
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