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Canon RF 400mm f/2.8 L IS USM Lens

BH #CA40028RF • MFR #5053C002
Canon RF 400mm f/2.8 L IS USM Lens
Key Features
  • RF-Mount Lens/Full-Frame Format
  • Aperture Range: f/2.8 to f/32
  • Optical Image Stabilizer
  • Super UD and Fluorite Elements
Optically identical to the super telephoto EF 400mm f/2.8L IS III USM lens, the RF 400mm f/2.8 L IS USM Lens from Canon delivers high-performance results and is a go-to choice for capturing professional-quality shots of sports, wildlife, and more. Designed exclusively for EOS R-series cameras, the lens features three modes of optical image stabilization with up to 5.5 stops of shake correction to deliver extremely sharp results whether hand-held or mounted on a monopod. A circular nine-blade aperture provides beautiful bokeh at smaller lens apertures, and Super Spectra and Air Sphere Coatings minimize ghosting and flare for exceptionally clear results when shooting in backlit situations. Additionally, Super UD and fluorite elements used in the optical design reduce color fringing and chromatic aberrations for high clarity and color accuracy. Two focus presets allow you to instantly return to one or two memorized focus distances, and a customizable electronic focus ring allows manual focusing during SERVO AF. The RF 400mm f/2.8 L IS USM lens is also compatible with Canon RF 1.4x and 2x Extenders, and the lens incorporates a dust and water-resistant design with a fluorine coating on the front element for easy cleaning.
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Canon RF 400mm f/2.8L IS USM Overview

Optically identical to the super telephoto EF 400mm f/2.8L IS III USM lens, the RF 400mm f/2.8 L IS USM Lens from Canon delivers high-performance results and is a go-to choice for capturing professional-quality shots of sports, wildlife, and more. Designed exclusively for EOS R-series cameras, the lens features three modes of optical image stabilization with up to 5.5 stops of shake correction to deliver extremely sharp results whether hand-held or mounted on a monopod. A circular nine-blade aperture provides beautiful bokeh at smaller lens apertures, and Super Spectra and Air Sphere Coatings minimize ghosting and flare for exceptionally clear results when shooting in backlit situations. Additionally, Super UD and fluorite elements used in the optical design reduce color fringing and chromatic aberrations for high clarity and color accuracy. Two focus presets allow you to instantly return to one or two memorized focus distances, and a customizable electronic focus ring allows manual focusing during SERVO AF. The RF 400mm f/2.8 L IS USM lens is also compatible with Canon RF 1.4x and 2x Extenders, and the lens incorporates a dust and water-resistant design with a fluorine coating on the front element for easy cleaning.

  • 400mm f/2.8 super-telephoto lens designed exclusively for EOS R-series cameras
  • Optically identical to EF 400mm f/2.8L IS III USM lens
  • 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
  • Minimum Focusing Distance of 8.2'
  • Includes three image stabilization operation modes
  • Optical Image Stabilizer with up to 5.5 stops of shake correction
  • Super Spectra Coating and Air Sphere Coating minimizes ghosting and flare when working in strong lighting conditions
  • Compatible with Canon RF 1.4x and 2x extenders
  • Customizable electronic focus ring with manual focus capability during SERVO AF
  • 9-blade circular aperture for beautiful bokeh at smaller lens apertures
  • Two focus presets to instantly return to one or two memorized focus distances
  • Dust and water-resistant design with fluorine coating on front element for easy cleaning
  • Rotatable tripod collar for working atop a tripod or monopod
UPC: 013803340136

Canon RF 400mm f/2.8L IS USM Specs

Focal Length400mm
Maximum Aperturef/2.8
Minimum Aperturef/32
Lens MountCanon RF
Lens Format CoverageFull-Frame
Angle of View
Minimum Focus Distance8.2' / 2.5 m
Maximum Magnification0.17x
Optical Design17 Elements in 13 Groups
Diaphragm Blades9
Focus TypeAutofocus
Image StabilizationYes
Tripod CollarRemovable and Rotating
Filter Size52 mm (Drop-In)
Dimensions (ø x L)6.4 x 14.4" / 163 x 367 mm
Weight6.4 lb / 2.9 kg
Packaging Info
Package Weight15.5 lb
Box Dimensions (LxWxH)23.1 x 15.8 x 15"

Canon RF 400mm f/2.8L IS USM Reviews

Extremely sharp

By Turbokuni
Rated 5 out of 5
Date: 2022-05-22

Bought this about a month ago and this lens is take sharp. Con: it’s a bit heavy for someone in my old age to hand-hold this beast, but I still love this beauty.

Super telephoto glass

By Brian
Rated 5 out of 5
Date: 2021-09-11

Over the years, I have taken tens of thousands of images with the Canon prime lenses. Various versions of the 600 as well as the 800 and the 400 DO. This lens is perhaps the best glass yet. However, I have only used it with the R5 and am now mirrorless only. My perception is that my last mirrored Canon 1DX Mk III may have been a better camera.

couldn't be happier

By Jay
Rated 5 out of 5
Date: 2021-11-04

super telephoto that is sharp and surprisingly easy to carry as it's lightweight and balanced perfectly

It's better to be light and light.

By Yamamuro
Rated 5 out of 5
Date: 2021-10-01

I worried 600 mm.But I wanted the light lens. If my occasion is 400mm, the child's athletic meet photography is also possible.There are no bought budgets, so the substitute which is 400 mm of 600 mm in +RF1.4x.When wanting 800 mm, I take a picture of 400 mm by 1.6 times of +RF1.4x and crop mode.I'm taking a picture in EOSR6 now, but so 7,700,000 picture elements of crop mode is in the light room and strengthens it and gives a picture element.Which is changed for R3.I wanted 45,000,000 picture elements, so R3 is regrettable. Essential best as well as matter of coming out.I'm not good at English by Japanese and a PC is being translated, but I'll trust whether the written contents can be understood.I thank B&H for usual politeness which is under care for a long time.

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Can the RF 1.4x and 2x teleconverters be used on ...

Can the RF 1.4x and 2x teleconverters be used on this lense?
Asked by: Dave
Yes the Canon RF 400mm f/2.8L is fully compatible with the 1.4x and 2x Canon RF teleconverters.
Answered by: Dan
Date published: 2021-08-05

What lens hood comes with this lens?

What lens hood comes with this lens?
Asked by: Ronald W.
It comes with this lens hood: https://bhpho.to/3iaAAj9
Answered by: Ryan
Date published: 2021-05-27
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