EF 400mm f4 DO IS II USM

introduced 2014

information from Canon

Small in size, big on performance.

A high-performance super-telephoto lens that makes use of Diffractive Optics technology for a more compact, lightweight design.

• 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 weather-sealed construction

 

Portable, lightweight design

The EF 400mm f4 DO IS II USM is smaller and lighter than a conventionally designed 400mm f4 lens, weighing in at just 2100g. This is made possible by using Canon's innovative Diffractive Optics (DO) technology, which corrects for the undesirable optical effects that would otherwise come about through such a drastic reduction in size.

Improved resistance to flare and fringing

The third-generation DO technology used in the EF 400mm f4 DO IS II USM makes it a superb performer, particularly in the hands of those shooting sports, wildlife and news photography. The lens is resistant to flare and coloured fringing, and delivers excellent sharpness right across the frame.

Image Stabilizer technology

Shoot confidently using shutter speeds up to four stops slower than normal. The EF 400mm f4 DO IS II USM's Image Stabilizer (IS) will guard against camera shake and preserve critical sharpness. The lens' IS operates in one of three modes: the first is for still subjects, the second for panning shots, while the third is designed for erratic, fast-moving action.

Staying focused

Intuitive controls on the barrel of the EF 400mm f4 DO IS II USM fall instinctively under the fingers when you're shooting. Use the wide manual focus ring to make fine adjustments without taking the camera away from your eye. Focus Preset and Focus Stop controls allow photographers to concentrate on a specific point in the scene.

Great for movies too

Power Focus technology lets photographers shooting video produce pull-focus type effects that transition smoothly between different parts of the scene.

Built to perform

When conditions get tough, the EF 400mm f4 DO IS II USM lets you keep shooting with confidence. Weather sealed construction guards against dust and moisture, while anti-smear fluorine coating on the lens' front element repels water and dirt.

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Specification

Angle-of-view (horizontal, vertical, diagonal): 5 10', 3 30', 6 10'
Lens construction (elements/groups): 18/12
Number of diaphragm blades: 9
Minimum aperture: f32
Closest focusing: 3.3 metres
Maximum magnification: 0.13x
Distance information: Yes
AF actuator: Ring USM (AF only possible with EOS-1 series and EOS 5D Mark III with firmware 1.2.1)
Dust/moisture resistance: Yes (lenses with dust/moisture resistance are fitted with a rubber ring on the lens mount which may cause slight abrasion of the camera mount)
Filter diameter: 52mm drop-in
Maximum diameter and length: 128 x 232.7mm
Weight: 2100g
Lens cap: E145C
Lens hood: ET-120 (WII)
Lens case: 400D
Magnification with Extension tube EF12 II: 0.17x to 0.03x
Magnification with Extension Tube EF25 II: 0.22x to 0.07x
EF Extenders: Compatible

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