Canon EF 400mm F5.6 L USM vs Canon RF 400mm F2.8 L IS USM

This is a full comparison between the lenses Canon EF 400mm F5.6 L USM and Canon RF 400mm F2.8 L IS USM.

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Product
Canon EF 400mm F5.6 L USM
Canon RF 400mm F2.8 L IS USM
Name Canon EF 400mm F5.6 L USM Canon RF 400mm F2.8 L IS USM
Manufacturer Canon Canon
SKU
Release Date and Price
Canon EF 400mm F5.6 L USM
Canon RF 400mm F2.8 L IS USM
Release Year 1993 2021
Release Date 2021-04-14
MSRP 1339 USD N/A
Last known price 0 USD 11999 USD
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Lens Type
Canon EF 400mm F5.6 L USM
Canon RF 400mm F2.8 L IS USM
Lens Type Telephoto
Supertelephoto
Telephoto
Supertelephoto
Zoom or Prime Prime lens (no zoom) Prime lens (no zoom)
Mount and Compatibility
Canon EF 400mm F5.6 L USM
Canon RF 400mm F2.8 L IS USM
Mount Canon EF Canon RF
Designed for APS-C sensor No (Suitable for all sensors) No (Suitable for all sensors)
Focus
Canon EF 400mm F5.6 L USM
Canon RF 400mm F2.8 L IS USM
Autofocus (AF) Yes Yes
Built-in Autofocus (AF) Motor Yes Yes
Motor Type No information Ring-Type Ultrasonic
Focus Method No information No information
Closest Focusing Distance 350 cm 250 cm
Maximum Magnification 0,17
Aperture
Canon EF 400mm F5.6 L USM
Canon RF 400mm F2.8 L IS USM
Maximum Aperture F5,6 F2,8
Diaphragm Blades No information 9
Optics
Canon EF 400mm F5.6 L USM
Canon RF 400mm F2.8 L IS USM
Construction 7 elements  /  6 groups 17 elements  /  13 groups
Special Elements/Coatings No information 1 Super UD + 2 fluorite elements, Super Spectra + ASC coatings
Focal Length
Canon EF 400mm F5.6 L USM
Canon RF 400mm F2.8 L IS USM
Focal Length 400 mm 400 mm
Zoom Range None (Prime lens)
No Zoom available.
None (Prime lens)
No Zoom available.
Built-in Teleconverter No No
Teleconverter Multiplier N/A N/A
Image Stabilization No Yes
Image Stabilization CIPA Rating N/A 5.5 stops
Physical
Canon EF 400mm F5.6 L USM
Canon RF 400mm F2.8 L IS USM
Weather Sealing No Yes
Diameter 90 mm 168 mm
Length 256 mm 367 mm
Weight 1250 gr 2890 gr
Other
Canon EF 400mm F5.6 L USM
Canon RF 400mm F2.8 L IS USM
Filter Type Filter Thread Drop-in Filter
Filter Diameter 77 mm 52 mm
Lens Hood Included (Pull Out/Extendable) Included
Lens Hood SKU Utdragbart ET-155
Tripod Collar Included Included
Tripod Collar SKU N/A N/A