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Why buy a Canon EF 400mm f4 DO IS II USM Lens?
The EF 400mm f/4 DO IS II USM super-telephoto lens is ideal for photographers who need a compact and lightweight design without compromising on reach. It features Canon’s unique third-generation Diffractive Optic technology and a completely redesigned optical structure, for stunning results whether shooting wildlife, sports or news.
The EF 400mm f/4 DO IS II USM lens delivers brilliant high-speed performance for professionals with minimal glare and superb image quality. Taking advantage of the best in lens technology, it features gapless dual-layer diffractive optical elements for improved diffraction efficiency with reduced flare. These elements are arranged with a large-diameter ground aspheric lens and a UD lens for a new level of sharpness and clarity. New coatings help to reduce ghosting, ensure excellent colour balance and reduce fingerprints on the front and rear of the lens.
Professional L-series dust- and water-resistant construction is complemented by impressive performance: a 3 mode Image Stabilization system offers up to four stops of compensation and can even prevent operational errors when the camera is mounted on a tripod. AF stop buttons placed on the front of the lens can automatically stop focusing at any time; full-time manual focus ensures complete control no matter the AF mode, and a Power Focus (PF) mode makes for smooth focus transitions when shooting movies. The EF 400mm f/4 DO IS II USM focuses down to 10.8 ft. (3.3 meters), has a 9-blade aperture for pleasing, soft, out-of-focus areas, and is constructed with environmentally friendly lead-free glass.
Key features
- Compact and lightweight 400mm lens
- Superior image quality. Resistant to flare and coloured fringing
- 4-stop Image Stabilizer guards against camera shake
- Focus with precision, using advanced AF controls with full-time manual override
- Keep shooting when conditions get tough with a weather-sealed construction
Specifications
| Focal Length & Maximum Aperture | 400mm 1:4 |
| Lens Construction | 18 elements in 12 groups |
| Diagonal Angle of View | 6°10' |
| Focus Adjustment | An inner focusing system with USM |
| Closest Focusing Distance | 10.83 ft. / 3.3 m |
| Filter Size | 52mm drop-in |
|
Max. Diameter x Length |
Approx. 5.04 x 9.16 in. / 128 x 232.7 mm |
|
Weight |
Approx. 74.1 oz. / 2100 g |
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