Item Includes

• Canon RF 400mm f/2.8 L IS USM Lens

• Canon Lens Cap E-180E

• Canon Lens Dust Cap RF

• Canon Drop-In Screw Filter Holder 52 (WIII) with Protect Filter

• Canon Lens Hood ET-155 (WIII)

• Canon LS400 Lens Case

• Canon Wide Lens Strap B

• Limited 1-Year Manufacturer Warranty

Overview
The Canon RF400mm f/2.8 L IS USM is a professional super-telephoto lens designed for EOS R-series cameras, delivering exceptional image quality for sports, wildlife, and action photography. Featuring advanced optics inherited from the EF 400mm f/2.8L IS III USM, this lens offers fast f/2.8 performance, up to 5.5 stops of image stabilization, and superior coatings to reduce ghosting and flare. Compatibility with Canon RF 1.4x and 2x extenders provides even greater reach when needed.

Features

• Professional 400mm f/2.8 super-telephoto lens for EOS R-series cameras

• Optical Image Stabilization with up to 5.5 stops of shake correction

• Three IS operation modes for different shooting situations

• Super Spectra Coating (SSC) and Air Sphere Coating (ASC) minimize ghosting and flare

• Optically identical to EF 400mm f/2.8L IS III USM

• Compatible with Canon RF 1.4x and 2x extenders

• Two focus preset buttons for instant recall of preset distances

• Weather-resistant construction for professional use

• Fast, accurate USM autofocus performance

Specs

• Focal Length: 400mm

• Maximum Aperture: f/2.8

• Minimum Aperture: f/32

• Lens Mount: Canon RF (EOS R-series only)

• Minimum Focus Distance: 8.2 ft (2.5 m)

• Maximum Magnification: 0.17x

• Angle of View (Diagonal): 6°10'

• Lens Construction: 17 elements in 13 groups

• Special Elements: 2 Fluorite, 1 Super UD

• Coatings: Super Spectra, Fluorine (front & rear), Air Sphere Coating

• Filter Size: 52mm drop-in (Drop-in Screw Filter Holder 52 [WIII] with Protect Filter included)

• Aperture Blades: 9

• Image Stabilization: Yes, up to 5.5 stops (CIPA standard)

• IS Modes: Mode 1, 2, 3

• Dust/Water Resistance: Yes

• Dimensions (Ø x L): Approx. 6.4 x 14.4" (163 x 367 mm)

• Weight: Approx. 6.37 lb (2890 g)

Accessories (Optional / Compatible)

• Lens Hood (Short): ET-155B (sold separately)

• Canon Drop-in Circular Polarizing Filter 52 (WIII)

• Canon Drop-in Gelatin Filter Holder 52 (WIII)