Canon RF 100-400mm F5.6-8 IS USM


 A versatile telephoto-zoom with a portable form factor, the Canon RF 100-400mm f/5.6-8 IS USM is a nimble lens perfect for wildlife, sports, and travel shooting.

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Canon RF 100-400mm Review

Key Features

  • 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

With extended range, this zoom packs super-telephoto reach into a relatively sleek, lightweight design along with support for Coordinated IS to help control up to 6 stops of camera shake and Nano USM AF to promote faster focusing performance.

Optically, the lens uses specialised elements to control a variety of aberrations and produce images with high sharpness and clarity throughout the zoom range. Close-focusing performance is also possible, with a maximum magnification of 0.41x at the 400mm position, for close-up shooting of subjects as small as a credit card.

  • Long-reaching telephoto zoom lens is designed for use with full-frame Canon RF-mount mirrorless cameras.

  • Modest f/5.6-8 maximum aperture range promotes a relatively compact, lightweight form factor.

  • One Ultra Low Dispersion element is featured toward the front of the optical design and helps to reduce chromatic aberrations and color fringing throughout the zoom range.

  • One aspherical element helps control distortion and promotes a high degree of sharpness.

  • Super Spectra Coating has been applied to minimize flare and ghosting for improved contrast and color fidelity when working in strong lighting conditions.

  • An Optical Image Stabilizer helps to minimize the appearance of camera shake by 5.5 stops to better enable working in low-light conditions and with slower shutter speeds. Also, when working with select cameras, up to 6 stops of stabilization may be available with the Coordinated Optical Image Stabilizer and In-Body Image Stabilizer.

  • Nano USM system utilizes both a ring type USM and an STM mechanism to realize quick and accurate focusing that is also smooth and near silent to suit both photography and video applications. This focusing system also affords full-time manual focus control when working in the one-shot AF mode.

  • Close focusing capabilities are available throughout the zoom range, with a maximum magnification of 0.41x available at the 400mm position and a minimum focusing distance of 2.9' possible at the 200mm position.

  • Rounded 9-blade diaphragm contributes to a pleasing bokeh quality.

  • Configurable Control Ring can be used to adjust a variety of exposure settings, including aperture, ISO, and exposure compensation.

  • Compatible with optional Extender RF 1.4x and Extender RF 2x teleconverters to further increase the effective focal length.

Whats in the box:

  • Canon RF 100-400mm f/5.6-8 IS USM Lens
  • Canon E-67 II Lens Cap
  • Canon Lens Dust Cap RF

Key Specs

Focal Length 100 to 400mm
Maximum Aperture f/5.6 to 8
Lens Mount Canon RF
Lens Format Coverage Full-Frame
Focus Type Autofocus
Image Stabilization Yes
Filter Size 67 mm (Front)
Weight 1.4 lb / 635 g

Shipping Time

For UK we normally ship out your order within 3 to 7 working days of receiving your cleared payment. If you require delivery by or before a certain date please call us on 02086695668 and we will do our best to accommodate your needs.

Shipping insurance is included in the cost of delivery. The following table is a guide to shipping times for orders:


Northern Ireland

Rest of Europe

DPD/Royal Mail



5-7 Working days 

from Payment Process

5-10 Working days

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Customer reviews

(5 Customer reviews)
Write a review

Good quality lens

I am very happy with this lens. Quick focus, IS works well. Sharp. Much better than I expected

Graham Cluer | Croydon | October 2023

Very versatile does exactly as it says

Philip Thomas Harrison | Kent | September 2023

A surprising lens!

Having used both versions of Canon's EF100-400mm L lens (marks I and II) the second of which I still have, I was more than a little nervous about spending out yet more cash on the RF100-400mm. When it arrived I was impressed at its appearance, solid build and quality "feel". Using it was a pleasure after the heavyweight EF version, and frankly I am hard pressed to find much difference in the sharpness and quality of the (relatively few, I must admit) photographs I have taken with it. So far, so good! I'm well pleased. HDEW Cameras' customer service was as good as ever - many thanks to the team!

Chris England | Porthcawl | August 2023

Incredibly sharp

I was looking for a lens with some reach but with a limited budget. I’ve seen some samples of this lens and was impressed so bought it at Hdewcameras, best price around. The lens is not too heavy and easy to carry with you, coupled with an RF body the results are spectacular. This lens is great for wildlife, sport, surfing or whatever you enjoy shooting. Of course, you could pay several thousand for professional lens but if you’re starting out or have a new camera you would be very happy at the results.

Crispin Kelly | Exeter | August 2023

Fantastic lens

Just received this lens. Ordered on Sunday night & it was delivered by Tuesday lunchtime, fantastic service by HDEW.

The lens is far better than I expected for the price. Autofocus is fast & accurate & the image quality is really good. It’s very light which makes it great for carrying around all day & hand holding shots without the need for a monopod. Purchased it mainly for airshows so can’t wait to try it out properly.

Steve Love | Essex | August 2022