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

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

Compare Specifications

Product
Canon EF 400mm F2.8 L IS II USM
Canon RF 400mm F2.8 L IS USM
Name Canon EF 400mm F2.8 L IS II USM Canon RF 400mm F2.8 L IS USM
Manufacturer Canon Canon
SKU
Release Date and Price
Canon EF 400mm F2.8 L IS II USM
Canon RF 400mm F2.8 L IS USM
Release Year 2010 2021
Release Date 2021-04-14
MSRP N/A N/A
Last known price 0 USD 11999 USD
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Lens Type
Canon EF 400mm F2.8 L IS II 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 F2.8 L IS II 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 F2.8 L IS II 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 270 cm 250 cm
Maximum Magnification 0,17
Aperture
Canon EF 400mm F2.8 L IS II USM
Canon RF 400mm F2.8 L IS USM
Maximum Aperture F2,8 F2,8
Diaphragm Blades No information 9
Optics
Canon EF 400mm F2.8 L IS II USM
Canon RF 400mm F2.8 L IS USM
Construction 16 elements  /  12 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 F2.8 L IS II 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 Yes
IS
Yes
Image Stabilization CIPA Rating N/A 5.5 stops
Physical
Canon EF 400mm F2.8 L IS II USM
Canon RF 400mm F2.8 L IS USM
Weather Sealing Yes Yes
Diameter 163 mm 168 mm
Length 343 mm 367 mm
Weight 3850 gr 2890 gr
Other
Canon EF 400mm F2.8 L IS II USM
Canon RF 400mm F2.8 L IS USM
Filter Type Drop-in Filter Drop-in Filter
Filter Diameter 52 mm 52 mm
Lens Hood Included Included
Lens Hood SKU ET-155 (WII) ET-155
Tripod Collar Included Included
Tripod Collar SKU N/A N/A