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RF100-400mm F5.6-8 IS USM (Delivery will take 1 month)

HK$4,680.00 HK$5,280.00

A a compact, lightweight telephoto lens with 400mm focal length which is 635g and 164.7mm in length. Its optimized 12 elements in 9 group optical design delivers high quality image while reducing the number of lens elements to achieve the compactness and lightweight. The effective placement of 1 UD lens corrects chromatic aberrations throughout the entire zoom range and minimized color blur. In addition, a PMo aspherical lens is incorporated to achieve high resolution and contrast. At 400mm, the lens also offers stunning 0.41x maximum magnification at 1.05m focus distance. The lens delivers up to 5.5-stop¹ shake compensation with optical image stabilizer or 6 stops² of Coordinated IS when used in combination with an EOS R series camera featuring In-body Image Stabilization, making handheld shooting at 400mm with slow shutter speed a breeze. 

Compatible cameras: EOS R series mirrorless cameras

Compact 400mm
Super Telephoto Zoom


Lightweight • Compact 400mm

The RF100-400mm F5.6-8 IS USM is a super-telephoto zoom lens with a long reach of 400 but weights only 625g and 164.7mm in length.  

Taking the advantage of the RF mount, the lens' newly developed 12 elements in 9 groups optical design successfully reduces the number of lens elements to achieve compactness and lightweight.

The incorporation of 1 UD lens element corrects chromatic aberration throughout the entire zoom range to achieve crisp imaging with minimal color blur. And the effective placement of a PMo aspheric lens enables users to capture subjects with high resolution and contrast, even at 400mm.

EOS R6 • ISO 100 • 1/500s • f/9 • 400mm

100% Crop

UD Lens

The use of 1 UD lens element corrects chromatic aberration throughout the entire zoom range to achieve crisp imaging with minimal color blur.

PMo Aspherical Lens

A PMo aspheric lens enables high resolution and contrast

Super Spectra Coating

Renowned Super Spectra Coating and optimized shapes of lens elements help to improve anti-ghosting and flare performance


400mm Super Telephoto Focal Length

The RF100-400mm F5.6-8 IS USM is comparable in size to 70-300mm zoom lens, but also features a 100mm extension to the telephoto range. The 400mm focal length helps to bring subjects closer or capture larger images of subjects in settings such as landscape, theater or sports where getting closer is physically impossible, or when photographing cautious birds or animals from a distance. 

EOS R6 • ISO 200 • 1/25s • f/8

In addition to bring subjects closer or capture larger images of subjects, the perspective compression of 400mm focal length also gives a distinctive composition when shooting landscapes.

EOS R6 • ISO 100 • 1/320s • f/9 • 400mm


Max. Magnification of 0.41x at 1.05m

At 400mm, the RF100-400mm F5.6-8 IS USM achieves an impressive 0.41x magnification at 1.05m shooting distance, which comes in handy when shooting small flowers and insects. The best can be brought out of the lens compression effect and bokeh of telephoto lenses.
Even at the lens minimum focus distance of 0.88m (at 200mm), it still delivers a magnification of 0.24x. 

EOS R6 • ISO 400 • 1/80s • f/8 • 400mm

EOS R5 • ISO 250 • 1/500s • f/8 • 400mm


5.5-Stop Optical IS

The lens' Optical Image Stabilizer offers up to 5.5-stop shake compensation¹ to facilitate handheld shooting. When used with the EOS R series cameras equipped with In-Body Image Stabilization, IS effect is enhanced to 6-stop² with the In-Body Image Stabilizer. Sharp images become possible even for shooting handheld at 400mm with slow shutter. 

IS:Off

EOS R6 • ISO 200 • 1/15s • f/14 • 400mm

IS:On

EOS R6 • ISO 200 • 1/15s • f/14 • 400mm


Nano USM • Fast and Smooth AF

The use of Nano USM and rear focus design, working in tandem with renowned Dual Pixel CMOS AF (DAF) in EOS R Series, provides fast and smooth AF throughout the zoom range and focus range. 

EOS R6 • ISO 640 • 1/1250s • f/8 • 400mm  

Compatible with Electronic full-time MF

The lens is compatible with Electronic full-time MF4,   focus can be adjusted manually with focus ring anytime during ONE SHOT AF or SERVO AF.


Compatible with Extender RF1.4x and 2x

RF100-400mm F5.6-8 IS USM is compatible with Extender RF1.4x and 2x,which extends the focal length by 1.4 times to 560mm and 2 times to 800mm respectively 

Autofocus is possible even with Extender RF1.4x or RF2x attached³.

Extender RF1.4x

Extender RF2x

Take the telephoto range even farther with extenders


¹ CIPA Standard, Focal Length: 400mm, EOS R is used. In yaw/pitch direction
² CIPA Standard, Focal Length: 400mm, EOS R5 is used. In yaw/pitch direction
³ AF Speed will become slower with an extender.  AF Area with Extender RF 1.4x: https://store.hk.canon/extender-rf-1-4x.html. AF Area with Extender RF 2x: https://store.hk.canon/extender-rf-2x.html.
4 For EOS R series camera supporting electronic full-time manual focus. Please refer to camera’s instruction manual for details. 


Lens Diagram


MTF Graph

More Information
Lens Mount Type RF mount
Angle of View (Diagonal) 24°-6°10'
Lens Construction 12 Elements in 9 Groups
UD Lens (Piece) 1
Aspherical Lens (Piece) 1
No. of Diaphragm Blades 9 (Circular)
Minimum Aperture 32-45
Minimum Focusing Distance (m) 0.88 (200mm)
Maximum Magnification (x) 0.41x (400mm)
Drive System Nano USM
Full Time Manual Support
Image Stabilizer Effectiveness 5.5-stop (CIPA Standard, Focal Length: 400mm, EOS R is used.)
Image Stabilizer Mode Mode 1/2 (Auto)
Filter Diameter 67mm
Extender Compatibility Compatible with RF 1.4x and RF 2x
Length x Max. Diameter (mm) 164.7 x 79.5
Weight (g) 635

Box Content

  • RF100-400mm F5.6-8 IS USM
  • Lens Cap E-67 II
  • Lens Dust Cap RF
  • Instruction Manual
  • Purchase Record Card
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