Canon EF 400mm F2.8L IS III USM
Announced Sep 5, 2018
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Telephoto prime lens | Canon EF
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Canon EF 400mm f/2.8L is III USM Lens
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Product description
Announced
Sep 5, 2018
Discuss in the Canon SLR Lens Talk forum
The Canon EF 400mm F2.8L IS III USM is, as of September 2018, the lightest 400mm F2.8 lens in the world. The lens has a five-stop image stabilizer, focus lock/activate controls, nine-blade diaphragm and ring-type USM motor. The minimum focus distance is 2.5m (98") and the maximum magnification is 0.17x. The lens has fluorite and super UD elements, as well as Air Sphere, Super Spectra and fluorine coatings.
Product timeline
Quick specs
| Lens type | Prime lens |
| Focal length | 400 mm |
| Image stab. | Yes |
| Lens mount | Canon EF |
| Max aperture | F2.8 |
| Min aperture | F32 |
| Min focus | 2.50 m (98.43″) |
| Max magnification | 0.17× |
| Weight | 2840 g (6.26 lb) |
| Length | 343 mm (13.5″) |
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