Canon Support for RF400mm F2.8 L IS USM | Canon U.S.A., Inc.
RF400mm F2.8 L IS USM
Get started with these quick links.
Protect your product with CarePAK PLUS. Learn More
Purchase this product's accessories and more. Shop Now
Looking for help with your order? Order help
DOWNLOADS
- Windows 11
- Windows 10 (x64)
- Windows 10
- Windows 8.1 (x64)
- Windows 8.1
- Windows 8 (x64)
- Windows 8
- Windows 7 (x64)
- Windows 7
- Windows Vista (x64)
- Windows Vista
- Windows Me
- Windows XP (x64)
- Windows XP
- Windows 98
- Windows 95
- Windows Server 2022
- Windows Server 2019 (x64)
- Windows Server 2016 (x64)
- Windows Server 2012 R2 (x64)
- Windows Server 2012 (x64)
- Windows Server 2008 R2 (x64)
- Windows Server 2008 (x64)
- Windows Server 2008
- Windows Server 2003 R2 (x64)
- Windows Server 2003 (x64)
- Windows Server 2003 R2
- Windows Server 2003
- macOS Sequoia v15
- macOS Sonoma v14
- macOS Ventura v13
- macOS Monterey v12
- macOS Big Sur v11.0
- macOS Catalina v10.15
- macOS Mojave v10.14
- macOS High Sierra v10.13
- macOS Sierra v10.12
- OS X El Capitan v10.11
- OS X Yosemite v10.10
- OS X Mavericks v10.9
- OS X Mountain Lion v10.8
- OS X Lion v10.7
- Mac OS X Snow Leopard v10.6
- Mac OS X v10.1
- Mac OS 9
- Linux ARM
- Linux MIPS
- Linux 64bit
- Linux 32bit
- Windows Server 2025
- Windows NT
- Linux
SETUP & TROUBLESHOOTING
Find answers in our extensive knowledge base with dozens of articles and curated Q&As to help you troubleshoot your issue yourself.
SELECT ERROR CODE
Don’t see your error code? Let us know as we are capturing feedback for research purposes.
PRODUCT INFO
Tech. Specs. Detailed PDF | View Full Details of Technical Specifications |
Focal Length | 400mm |
Maximum and Minimum Aperture | F2.8-32 |
Lens Mount Type | RF Mount Canon RF mount; Exclusively for Canon EOS R-series cameras |
Minimum Focusing Distance | 8.20 ft. / 2.5m |
Maximum Magnification | 0.17x (Fills frame with subject 7.9 x 5.3 inches / 202 x 135mm in size) |
Angle of View | Diagonal: 06°10 |
Lens Construction | 17 elements in 13 groups |
Special Elements | Two Fluorite, One Super UD |
Lens Coating | Super Spectra, Fluorine (front & rear elements), ASC |
Filter Size Diameter | Ø52 mm (Drop-in filter Drop-in Screw-type Filter Holder 52 [WIII] included, with 52mm clear Protect Filter) |
Aperture Blades | 9 |
Dust/Water Resistance | Supported (Rubber ring on lens mount, focus/playback rings, switch panel and switches) |
IS Mode Selection | Provided: mode 1, 2, 3 |
Optical Image Stabilization | CIPA standard: 5.5 stops (using an EOS R / EOS R5) |
Maximum Outer Diameter x Length | Approx. 6.4 in x 14.4 in. / 163mm x 367mm |
Weight | Approx. 6.37 lbs. (102 oz.) / 2890g |
Lens hood | Long: ET-155 (WIII) (Bundled) Short: ET-155B (Sold separately) |
Lens Cap | E-180E (soft type) (bundled) |
Dust Cap | Lens Dust Cap RF (Bundled) |
Lens Case | LS400 Soft Case (Bundled) |
Drop-in Filters | Canon Drop-in Circular Polarizing Filter 52 (WIII) Canon Drop-in Gelatin Filter Holder 52 (WIII) |
Canon EF Lenses Limited Warranty |
||
The limited warranty set forth below is given by Canon U.S.A., Inc. (Canon U.S.A.) in the United States and Canon Canada Inc., in Canada (herein referred to collectively as "Canon") with respect to the Canon Binoculars and Photographic Lens Products packaged with this Limited Warranty and identified by model number on this limited warranty card (each a "Product")when purchased and used in the United States or Canada. This Limited Warranty is only effective upon presentation of this warranty card and proof of purchase A Product, when delivered to you in new condition in its original container, is warranted against defects in materials or workmanship as follows: for a period of one (1) year from the date of original purchase, defective parts or a defective Product returned to Canon, or its authorized service providers, and proven to be defective upon inspection, will be repaired with new or comparable rebuilt parts or exchanged for a refurbished Product, as determined by Canon or the authorized service provider in their sole discretion. Replaced parts and exchanged Products will become the property of Canon. When returning a Product for warranty service, the shipping charges must be prepaid and the Product should be shipped in its original container, or an equivalent, properly packed to withstand the hazards of shipment and be fully insured. A copy of the warranty card and proof of purchase should be enclosed, as well as a description of the problem (including film samples, where appropriate). Repairs will be made and the Product will be returned, shipped at NO CHARGE, within the country of repair. This warranty only covers defective materials or workmanship encountered in normal use and service of a Product and does not apply in the following cases: a) Loss of or damage due to abuse causing deterioration, mishandling, accident or failure to follow operating instructions.b) If a Product is defective as a result of leaking batteries or liquid damage. (c) Defective materials or workmanship where the defect is due to a Product having been serviced or modified by other than Canon or a Canon authorized service provider. (d) Malfunction resulting from the use of accessories, attachments, product supplies, parts or devices (including, without limitation, batteries, film, flash attachments and other accessories) with this Canon photographic equipment that do not conform to Canon specifications. (e) Damage resulting during shipment. (Claim must be presented and examined by the shipper.) (f) Damage or service resulting from modifications or alterations to a Product in any way (including any alteration or removal of its serial number or identification marks). NO IMPLIED WARRANTY, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, APPLIES TO THE PRODUCT AFTER THE APPLICABLE PERIOD OF THE EXPRESS LIMITED WARRANTY STATED ABOVE, AND NO OTHER EXPRESS WARRANTY OR GUARANTY, EXCEPT AS MENTIONED ABOVE, GIVEN BY ANY PERSON OR ENTITY WITH RESPECT TO A PRODUCT SHALL BIND CANON (SOME STATES AND PROVINCES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS, SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU). CANON SHALL NOT BE LIABLE FOR LOSS OF REVENUES OR PROFITS, INCONVENIENCE, EXPENSE FOR SUBSTITUTE EQUIPMENT OR SERVICE, STORAGE CHARGES, LOSS OR CORRUPTION OF DATA, OR ANY OTHER SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES (INCLUDING, WITHOUT LIMITATION, ANY LOSS OF FILM) CAUSED BY THE USE OR MISUSE OF, OR INABILITY TO USE, A PRODUCT, REGARDLESS OF THE LEGAL THEORY ON WHICH THE CLAIM IS BASED, AND EVEN IF CANON HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. IN NO EVENT SHALL RECOVERY OF ANY KIND AGAINST CANON BE GREATER IN AMOUNT THAN THE PURCHASE PRICE OF THE PRODUCT SOLD BY CANON AND CAUSING THE ALLEGED DAMAGE. WITHOUT LIMITING THE FOREGOING, YOU ASSUME ALL RISK AND LIABILITY FOR LOSS, DAMAGE OR INJURY TO YOU AND YOUR PROPERTY AND TO OTHERS AND THEIR PROPERTY ARISING OUT OF USE OR MISUSE OF, OR INABILITY TO USE, THE PRODUCT NOT CAUSED DIRECTLY BY THE NEGLIGENCE OF CANON (SOME STATES AND PROVINCES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE EXCLUSION OR LIMITATION MAY NOT APPLY TO YOU). THIS LIMITED WARRANTY SHALL NOT EXTEND TO ANYONE OTHER THAN THE ORIGINAL PURCHASER OF THE PRODUCT, OR THE PERSON FOR WHOM IT WAS PURCHASED AS A GIFT, AND STATES YOUR EXCLUSIVE REMEDY. Canon U.S.A., Inc., One Canon Park, Melville, NY 11747
|