Canon RF 100-400mm f/5.6-8 IS USM Lens (RF100-400)

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◼ RF-Mount Lens/Full-Frame Format

◼ Aperture Range: f/5.6 to f/45

◼ One UD Element, One Aspherical Element

◼ Super Spectra Coating

◼ Nano USM AF Motor

◼ Maximum Magnification: 0.41x at 400mm

◼ Optical Image Stabilizer

◼ Customizable Control Ring

◼ Rounded 9-Blade Diaphragm

Description
Specifications
User Reviews
Expert Reviews

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Details

Perfect for Wildlife, Sports, Travel and More

The RF100-400mm F5.6-8 IS USM is a compact, lightweight telephoto lens for EOS R Series cameras, offering a versatile zoom range that brings subjects closer with ease. The RF100-400mm F5.6-8 IS USM is similar in size to the EF 70-300mm F4.5-5.6 IS II USM lens, and not only reaches to 400mm, but also has fast Nano USM focusing and up to 6 stops of Coordinated IS when used in combination with an EOS R series camera featuring In-body Image Stabilization, like the EOS R5 and EOS R6, or 5.5 stops with an EOS R/RP camera. Using a single Ultra Low Dispersion lens element towards the front of the lens group corrects chromatic aberration throughout the entire zoom range, making your images look crisp and colorful with minimal color blur.

Compact, lightweight and high-image quality RF tele zoom lens, with a versatile zoom range of 100-400mm

The travel-friendly size and weight (similar in size to the EF 70-300mm F4.5-5.6 IS II USM lens but a bit lighter) of this lens makes it easier for it to be attached with a camera around your neck while walking around for an extended time and also allows room for more lenses in a camera backpack.

Optical Image Stabilizer with up to 5.5 Stops of shake correction

Because RF lenses are designed specifically for the RF Mount found on EOS R series cameras, the lens and camera combine to share Image Stabilization data, helping to dramatically reduce the effect of camera shake that can occur when working handheld. This applies when capturing both stills and video with up to 5.5 stops of stabilization for accurate and clear content.

Up to 6 stops of shake correction when paired with EOS R series cameras featuring In-Body Image Stabilizer (IBIS)

This IS enabled lens can provide even more steadiness when shooting, up to 6 stops of coordinated IS, if paired with an EOS R Series camera featuring In-Body Image Stabilization, such as the EOS R5 and EOS R6, to further help you capture impressively clear results with slower shutter speeds.

Minimum focusing distance of 2.89 feet at 200mm and maximum magnification of 0.41x at 400mm

With a minimum focusing distance of 2.89 feet at 200mm, the RF100-400mm F5.6-8 IS USM lens is capable of capturing sharp and detailed images from various distances. Especially noteworthy is the lens’s close-up capabilities at the 400mm zoom setting — at its minimum focus distance, at 400mm, you can fill the frame with a subject about the size of a credit card providing outstanding versatility and strikingly sharp images.

High speed, smooth and quiet autofocus with Canon’s Nano USM

With any Canon EOS R-series camera, expect swift and positive autofocus. The Nano USM focus system is especially advantageous to video users, because of its combination of quiet operation and outstanding smoothness of focus changes during actual recording.

9-blade circular aperture for beautiful bokeh

Getting a smooth and natural looking out-of-focus background blur isn’t a problem for this lens as it has a 9-blade circular aperture which separates your subject from the background, while also providing a beautiful backdrop that's visually appealing in itself.

Control Ring for direct setting changes

The RF100-400mm F5.6-8 IS USM lens incorporates a Control Ring on the lens barrel that can directly adjust numerous settings including shutter speed, aperture, ISO, exposure compensation and more. Located towards the front of the lens it effectively adds a third dial to EOS R and RP cameras, and a fourth dial to cameras such as EOS R5 and R6 cameras. With a tactile, easily distinguished surface and a clicking mechanism that provides tangible feedback for confident use while looking through the viewfinder, the control ring adds outstanding connection to any shooting scenario. For photographers and movie makers who would prefer a silent control ring, the clicking mechanism can be removed at a Canon Factory Service Center location for a fee.

Compatible with optional Canon Extenders RF1.4x and RF2x

To help get you even closer to the subject, attach the compatible optional Canon RF extenders to the RF100-400mm F5.6-8 IS USM and get the equivalent of 560mm focal length coverage with the Extender RF1.4x, or 800mm using the Extender RF2x. In fact, the RF100-400mm F5.6-8 IS USM is the first non-L-series Canon lens with tele extender compatibility, helping transform the lens into an incredibly powerful telephoto combination, with relatively modest additional size and weight. This added flexibility and versatility helps make the RF100-400mm F5.6-8 IS USM an amazing option for nature photography and more.

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Specifications

Lens
Focal Length	100-400mm
Maximum and Minimum Aperture	(Max.) f/5.6 – f/8 (f/8 at 400mm position)
Maximum and Minimum Aperture	(Min.) f/32 – f/45 (f/45 at 400mm position)
Lens Mount Type	RF Mount; Metal Mount
Minimum Focusing Distance	3.94 feet (1.2m) at 100mm
	2.89 feet (0.88m) at 200mm
	3.44 feet (1.05m) at 400mm
Maximum Magnification	0.41x, at 400mm (0.09x at 100mm)
Field of View, at Minimum Focus Distance	Approx.
	(100mm) — 10.2 x 15.2 in. (260 x 386mm)
	(400mm) — 2.2 x 3.3 in. (57 x 85mm)
Angle of View (Diagonal)	Approx. 24° – 6°10"
Extender RF Compatibility
Compatible with Canon Extender RF1.4x ! RF2x	Yes
Equivalent Focal Length ! Maximum Aperture	RF1.4x — 140mm–560mm, f/8–11
Equivalent Focal Length ! Maximum Aperture	RF2x — 200–800mm, f/11–16
Maximum Close-focusing Magnification	RF1.4x — 0.12x – 0.58x
Maximum Close-focusing Magnification	RF2x — 0.18x – 0.83x
Autofocus with EOS R Series Cameras (as of September 2021)	Possible with either extender, at all zoom settings
Image Stabilizer, with EOS R series Cameras (as of September 2021)	Possible with either extender, at all zoom settings
Optical Design
Lens Construction	12 elements in 9 groups
Special Elements	(One) UD-glass element
Special Elements	(One) Aspherical element
Lens Coating	Canon SSC (Super Spectra Coating)
Filter Size Diameter	Ø67mm
Aperture Blades	9; circular shape
Focusing
Focusing Drive System	Nano USM; rear focusing system
Full-time Manual Focusing	Yes (Lens Electronic MF)
Dual Pixel CMOS AF Coverage (Horizontal x Vertical)	EOS R, EOS RP
	Approx. 88% x 100%
	With Extender RF1.4x — approx. 80% x 80%
	With Extender RF2x — approx. 40% x 60%


	EOS R5, EOS R6
	Approx. 90% x 100%
	Face+Tracking horizontal: approx. 100% x 100%
	With Extender RF1.4x — approx. 80% x 80%
	With Extender RF2x — approx. 40% x 60%
Image Stabilization
IS on–off	Image Stabilizer switch, on lens barrel
Optical Image Stabilization	Provided
	5.5 stops optical IS correction (at 400mm)
	Conforms to CIPA test standards, using EOS R
Coordinated IS (with EOS R-series cameras having In-Body Image Stabilization)	Provided
	6 stops Coordinated IS correction (at 400mm)
	Conforms to CIPA test standards, using EOS R-series cameras with In-Body Image Stabilization
IS Mode Selection	None (Automatic switching to panning correction IS, when panning is detected)
Panning Mode Support (SCN mode)	Supported
Exterior Design
Control Ring	Provided (with click-stops)
	Programmable via “Customize Dials” in camera’s Custom Functions menu
	58 clicks per revolution
	Clicks can be removed by Canon service center, for a service fee
Manual Focus Ring	Electronic ring system
	Full-time Manual focus possible
	No physical limit to ring rotational angle
Distance Scale	None
Distance Scale	Distance scale available in EVF or Live View LCD screen of compatible EOS R cameras
Distance Limiter Switch	None
Dust ! Weather Resistant Construction	None
Dimensions, Weight
Maximum Outer Diameter x Length	Approx. 6.48 in. x ø3.13 in. (164.7 x ø79.5mm)
Weight	Approx. 22.4 oz. / 1.4 lb. / 635g
Accessories
Lens hood	Canon ET-74B
Lens hood	Optional accessory, sold separately
Lens Cap	(Front) Canon E-67 II (center pinch-type) (Bundled)
Lens Cap	(Rear) Canon Dust Cap RF
Dust Cap	Canon Lens Dust Cap RF (Bundled)
Lens Case	Canon Lens Case LP-1224
Lens Case	Optional accessory, sold separately
Extension Tubes	None (No Canon RF mount extension tubes)
Close-up Lenses 250D ! 500D	None (no 67mm size available)