Product Code: 1775046

Canon RF 400mm f2.8 L IS USM Lens

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Designed for use with Canon's RF mirrorless digital camera range, the Canon RF 400mm f2.8 L IS USM Lens is a super-telephoto lens that is capable of capturing professional, high-quality and beautiful images. Ideal for wildlife, sports and action photography, the lens is one of the lightest super-telephoto lenses available for a mirrorless camera set up and as a result, this lens is surprisingly portable. The optical structure is made up of 17 elements, in 13 groups and this includes the use of two Fluorite and one Super UD glass, as well as the use of ASC and Super Spectra lens coatings. This optical makeup is complemented by a powerful Dual power focus drive that offers impressively fast autofocus acquisition, where focus is maintained even when tracking fast-moving subjects. The lens is also afforded a wide, bright and fast maximum aperture of F2.8 which together with the AF system and image stabilisation system, results in excellent and reliable low-light performance.

Canon RF 400mm f2.8 L IS USM Lens Key Features:

  • A worthy addition to Canon's RF lens lineup
  • Designed to capture wildlife, sports and action photos
  • Surprisingly portable for super-telephoto lens
  • Optical structure comprised of 17 elements, in 13 groups
  • A wide, bright and fast maximum aperture of f2.8
  • Versatile and impressive low-light performance
  • Exceptional image quality even at the max aperture
  • A 9-rounded blade aperture diaphragm for beautiful bokeh
  • Edge-to-edge sharpness across even single frame
  • Dual power focus drive offers impressively fast AF
  • A full-time manual focus and AF start/stop buttons
  • Image stabilisation system offers 5-stops of compensation
  • Fluorite and Super UD glass & ASC and Super Spectra lens coatings
  • A weather-resistant body with a heat-reflecting white finish
  • Designed for use with Canon's RF range such as the Canon EOS R6

Expanded Canon RF 400mm f2.8 L IS USM Lens Key Features:

Optical Structure & Image Quality

Canon has demonstrated its mastery of telephoto optics with a complex and intricate lens structure that is comprised of 17 glass lens elements that are arranged into 13 groups. The use of two Flourite lens elements and one SUD low dispersion glass lens results in exceptional edge-to-edge sharpness and clarity across each and every frame, as well as an Air Sphere coating (ASC) and Super Spectra coating that together enhances the anti-reflective properties of the lens. Image quality is ensured even at this lens's wide maximum f2.8 aperture. This bright and fast aperture also makes for excellent low light performance, ideal for early morning wildlife watching or evening sporting events.

Autofocus & Image Stabilisation

Further increasing the image quality that this lens can produce is its autofocus and its image stabilisation. The lens features a strong onboard image stabilisation that offers up to 5-stops of compensation, which combined with its wide aperture and low-light performance, you'll be able to capture some truly stunning and dramatic super-telephoto images that are free of camera shake. When it comes to autofocus (AF), the RF 400mm f2.8 L IS USM Lens features a Dual Power Focus Drive that delivers impressively fast and accurate AF performance that is vital when shooting at such a great telephoto focal range. The lens features a second power connection on the lens mount which means it can draw more power from compatible cameras such as the Canon EOS R5, and that boost of power results in increased USM speed for faster focus acquisition and more reliable focus tracking of fast-moving subjects. Additionally, you have access to a full-time manual focus (MF) and AF start/stop buttons on the side of the barrel.

Portable & Durable

Designed for capturing dramatic and compelling wildlife, sports and action photos, this lens has an instinctive feel and tactile handling that makes it easy to photograph your subjects. The lens is impressively lightweight for a super-telephoto lens. Weighing in at just under 3kg, it's one of the lightest 400mm lenses available for mirrorless cameras and this makes it surprisingly portable. In addition to its portability, the lens is designed to withstand the rigorous of outdoor shooting with a weather/dust-resistance body that's finished off with a white heat-reflecting coating. This, of course, means that you can as easily use this lens in the Arctic tundra as you can in the Sahara desert. It's built to last and provide consistently high-quality images no matter your surroundings.

What's in the box?

  • 1 x Canon RF 400mm f2.8 L IS USM Lens
  • 1 x Lens Cap E-180E
  • 1 x Lens hood ET-155 (WIII)
  • 1 x Lens Soft case LS400
  • 1 x Rear Lens Cap
  • 1 x Lens Dust Cap RF

Canon RF 400mm f2.8 L IS USM Lens Product Video:

New Canon lenses | 100mm, 400mm and 600mm | First look


Is this compatible with a lens extender?

This lens is only compatible with the Canon RF 1.4x & Canon RF 2x Extender. Each extender maintains full AF performance and image stabilaistion.

Can I use filters with this lens?

The lens features a 52mm drop-in filter system.

How much does this lens weigh? Can I use it handheld?

Whilst you could use this handheld, it's not advised. Weighing in at 2890g, for the best results it'd be best to use either a monopod or tripod.

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Product Specification

Aperture Blades 9
Filter Thread [mm] 52 (Drop in)
Focal Length ~ Tele [mm] 400.0
Focal Length ~ Wide [mm] 400.0
Image Stabilisation Yes
Included Accessories Lens cap (E-180E), Lens hood (ET-155 (WIII))
Lens Elements 17
Lens Groups 13
Lens Mount Canon RF-Mount
Lens Type Telephoto Prime
Max Aperture ~ Tele 2.8
Max Aperture ~ Wide 2.8
Maximum Format Size Full Frame
Minimum Aperture 32
Minimum Focus Distance [m] 2.50
Size 163 x 367 mm
Weight [g] 2890.00
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Your flexible credit options available

Interest Bearing

with a choice of repayment plans over 12, 24 or 36 months 13.9% APR (representative)

Buy now pay later

36 month loan with a six month deferral period, 18.9% APR (representative)

Interest Bearing Finance

This option comprises term loan with a choice of repayment plans over:

  • 12 months
  • 24 months
  • 36 months

The balance of the finance agreement is payable directly to Novuna Consumer Finance in equal monthly instalments by monthly direct debit. The direct debit payments will commence at the end of the first month following receipt of your goods. The interest rate charged is 13.9% APR. Late payment and early repayment penalties apply; full details of these will be provided in the loan agreement pack.

For customers based in the Channel Island, please call us to apply for finance

  12 Months 24 Months  36 Months 
Cash price  £13,119.00  £13,119.00  £13,119.00
Deposit £0.00 £0.00 £0.00
Loan Amount £13,119.00 £13,119.00 £13,119.00
Monthly Instalment 11 x £1,172.25 23 x £624.20 35 x £442.54
Final Instalment £1,172.25 £624.20 £442.54
Total Amount Repayable £14,067.00 £14,980.80 £15,931.44
Representative 13.9% APR 13.9% APR 13.9% APR

Buy now pay later

The Buy Now Pay Later option comprises a 36 month loan following a six month deferral period.

During the six-month deferral period, it is possible to pay off the loan, either by way of a lump sum or in smaller amounts. If the loan is partially repaid within six months, the remaining interest will be adjusted to reflect the new balance. If the loan is fully repaid within the six-month deferral period, then no interest is payable, however, a £29 early settlement fee is payable in respect of repayments within these six months.

Following the six-month deferral period, Novuna Personal Finance will initiate a monthly direct debit payment for the remaining duration of the loan. Interest will be charged at a rate of 18.9% APR on outstanding balances (backdated to the first date of the loan). Novuna Personal Finance will send a reminder letter approximately one month before the six-month deferral period is due to elapse.

For customers based in the Channel Island, please call us to apply for finance

  Balance settled in full within the six month deferral period Balance NOT settled in full within the six month deferral period
Cash price £300 £300
Deposit £0 £0
Loan Amount £300 £300
Settlement fee £29 £0
Settlement payment £329 -
Monthly Instalment - 36 x £11.57
Total Amount Repayable £329 £416.52
Representative 18.9% APR 18.9% APR

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Product Code: 1775046-wex Manufacturers Part Number: 5053C005AA Got a question? Get it answered...