Canon EF 400mm f/2.8 L IS USM III Lens

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The EF 400mm f/2.8L IS III USM is a Canon L-series optic well-suited for outdoor, wildlife, and sports applications....

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The EF 400mm f/2.8L IS III USM is a Canon L-series optic well-suited for outdoor, wildlife, and sports applications. This Super telephoto prime is designed for full-frame Canon EF-mount DSLRs, however can also be used with APS-C models where it provides a 640mm equivalent focal length. Fast f/2.8 maximum aperture benefits working in low-light conditions and also affords significant control over depth of field for working with selective focus techniques. Beyond the optical attributes, this 400mm f/2.8 is also characterized by its advanced five stop-effective Image Stabilizer system, which has three separate stabilization modes to suit various shooting applications. Also complementing handling, it comes with sophisticated ring-type USM, which provides quick, quiet, and accurate autofocus performance along with full-time manual focus override. Additionally, this lens is weather sealed for use in various environmental conditions, and it has a removable rotating tripod collar to benefit working atop a tripod or monopod.

Rounded nine-blade diaphragm contributes to a pleasing out of focus quality that benefits the use of shallow depth of field and selective focus techniques. It is Compatible with optional EF 1.4X and EF 2X teleconverters. It also features a fluorine coating on the front and rear elements to guard against water spots, smudges, or oil residue.

Canon EF 400mm F/2.8L IS III USM Specs

Focal Length
Maximum Aperture
Minimum Aperture
Lens Mount
Canon EF
Lens Format Coverage
Angle of View
6° 10'
Minimum Focus Distance
8.2' / 2.5 m
Maximum Magnification
Optical Design
17 Elements in 13 Groups
Diaphragm Blades
9, Rounded
Focus Type
Image Stabilization
Tripod Collar
Removable and Rotating
Filter Size
52 mm (Drop-In)
Dimensions (ø x L)
6.42 x 13.5" / 163 x 343 mm
6.25 lb / 2840 g

    Customer Reviews

    Based on 1 review
    Serena Graham
    Expertise in Telephoto Management.

    For professional photographers, the Canon EF 400mm f/2.8 L IS USM III Lens is a powerful tool. It produces amazing results with its fast aperture, sophisticated image stabilization, and excellent optical performance, making it a top option for wildlife, sports, and action photography.



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