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Canon EF 400mm f/4 DO IS II USM Lens


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Canon EF 400mm is the best bet for taking high-fidelity shots at all times. It features Gapless Dual-Layer Diffractive Optics, Aperture Range of f/4 to f/32, One Aspherical Element, One UD Element, Sub Wavelength Coating, Ring-Type Ultrasonic Motor AF System, Optical Image Stabilizer, Weather-Sealed Construction, etc.

Its extraordinary optical design, as well as upgraded image stabilization, make it stand out among the rest. This super-telephoto lens is compactly designed so that you can operate it with ease. With its gapless double-layer diffractive optics, spherical and chromatic aberrations are perfectly corrected to produce satisfactory results. It also comes with aspherical as well as UD elements so that distortion reduction will be enhanced. Its Sub Wavelength Coating ensures that you get clear images at all times. You will like its four-stop Image Stabilizer, which reduces the effect of camera shaking during operations.

Our Take On Canon EF 400mm

The Canon EF 400mm f/4 DO IS II USM lens comes in a weather-resistant butt with frontal fluorine coatings for maximum effectiveness. There are AF stop buttons at the anterior part of the lens that helps in complementing focus. You will enjoy using the full-time manual focus override as well as the Power Focus mode so that you shift focus without much hassle. This lens works perfectly with full-frame EF-mount DSLR cameras, and APS-C-sized sensors providing a corresponding focal length of 640 millimeters. It has three IS modes, which include single-shot, panning-optimized, and Image Stabilizer activator modes.

Moreover, this lens has a ring-type Ultrasonic Motor (USM), and an upgraded focusing algorithm for ultimate performance. Its swift CPU is a plus, and that is why you can experience speedy, accurate, and noiseless autofocus effectiveness with all-time manual focus override. There is the Focus Preset function that helps you to recall focusing that has been programmed. With its Focus Limiter switch, you have three options for setting your focus - 10.8-26.2', 10.8'-infinity, and 26.2'-infinity. You can use it with the discretionary EF 1.4X and EF 2X teleconverters for enhanced effectiveness.

The Canon EF 400mm comes with a Power Focus setting, hence, you won?t have issues adjusting your focus position for perfect video recording. This setting makes use of a frontal major focusing ring?s dedicated ring, hence, you can use the varying focusing speed from two options. The rounded nine-blade diaphragm boosts focus quality to get the most satisfactory outcome. There is a fixed spinning tripod collar that makes it easier for you to work on a monopod or tripod.


Focal Length: 400mm
Maximum Aperture: f/4
Minimum Aperture: f/32
Lens Mount: Canon EF
Format Compatibility: Full-Frame
Angle of View: 6? 10'
Minimum Focus Distance: 10.83' / 3.3 m
Maximum Magnification: 0.13x
Optical Design: 18 Elements in 12 Groups
Diaphragm Blades: 9, Rounded

Included in the box:

  • Canon EF 400mm f/4 DO IS II USM Lens
  • E-145C Lens Cap
  • Lens Dust Cap E (Rear)
  • ET-120W II Lens Hood
  • Lens Wide Strap B f/EF 300 / 400 mm f/2.8L IS II USM
  • Lens Case 400D
  • 52mm Drop-in Gelatin Filter Holder (Black)

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