RF400mm F2.8 L IS USM

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MountCanon RF
Flange Back20.0 mm
Mount Diameter54 mm
SensorFull Frame
Lens TypePrime
Electronic ContactsYes
ManufacturerCanon
Release Year2021
Filter SizeNo front thread (uses 52mm drop-in filters)

The RF400mm F2.8 L IS USM is a flagship super-telephoto prime built for professional sports and wildlife photographers who need both a very bright aperture and long reach. Its L-series construction, advanced Image Stabilization, and fast autofocus make it a benchmark lens for demanding action photography in challenging light.

Compatible Cameras

Native Mount — Canon RF Cameras (17)
Via Adapter — Nikon Z Cameras (15) · Third-party adapters
Adapter: No Canon RF to Nikon Z adapter is registered in our database yet.
Third-party adapters are available. Autofocus and electronic aperture support vary by adapter and lens, so check compatibility before buying.
  • Z6II (AF not guaranteed via adapter)
  • Z7II (AF not guaranteed via adapter)
  • Z5 (AF not guaranteed via adapter)
  • Z9 (AF not guaranteed via adapter)
  • Z8 (AF not guaranteed via adapter)
  • Zf (AF not guaranteed via adapter)
  • Z6III (AF not guaranteed via adapter)
  • Z5II (AF not guaranteed via adapter)
  • ZR (AF not guaranteed via adapter)
  • Z50 (AF not guaranteed via adapter)
  • Zfc (AF not guaranteed via adapter)
  • Z30 (AF not guaranteed via adapter)
  • Z50II (AF not guaranteed via adapter)
  • Z6 (AF not guaranteed via adapter)
  • Z7 (AF not guaranteed via adapter)
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