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

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

Compare Specifications

Product
Canon RF 400mm F2.8 L IS USM
Canon EF 400mm F2.8 L IS USM
Name Canon RF 400mm F2.8 L IS USM Canon EF 400mm F2.8 L IS USM
Manufacturer Canon Canon
SKU
Release Date and Price
Canon RF 400mm F2.8 L IS USM
Canon EF 400mm F2.8 L IS USM
Release Year 2021 1999
Release Date 2021-04-14
MSRP N/A 7999 USD
Last known price 11999 USD 0 USD
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Lens Type
Canon RF 400mm F2.8 L IS USM
Canon EF 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 RF 400mm F2.8 L IS USM
Canon EF 400mm F2.8 L IS USM
Mount Canon RF Canon EF
Designed for APS-C sensor No (Suitable for all sensors) No (Suitable for all sensors)
Focus
Canon RF 400mm F2.8 L IS USM
Canon EF 400mm F2.8 L IS USM
Autofocus (AF) Yes Yes
Built-in Autofocus (AF) Motor Yes Yes
Motor Type Ring-Type Ultrasonic No information
Focus Method No information No information
Closest Focusing Distance 250 cm 300 cm
Maximum Magnification 0,17
Aperture
Canon RF 400mm F2.8 L IS USM
Canon EF 400mm F2.8 L IS USM
Maximum Aperture F2,8 F2,8
Diaphragm Blades 9 No information
Optics
Canon RF 400mm F2.8 L IS USM
Canon EF 400mm F2.8 L IS USM
Construction 17 elements  /  13 groups 17 elements  /  13 groups
Special Elements/Coatings 1 Super UD + 2 fluorite elements, Super Spectra + ASC coatings No information
Focal Length
Canon RF 400mm F2.8 L IS USM
Canon EF 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 Yes
IS
Image Stabilization CIPA Rating 5.5 stops N/A
Physical
Canon RF 400mm F2.8 L IS USM
Canon EF 400mm F2.8 L IS USM
Weather Sealing Yes Yes
Diameter 168 mm 163 mm
Length 367 mm 349 mm
Weight 2890 gr 5370 gr
Other
Canon RF 400mm F2.8 L IS USM
Canon EF 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 ET-155
Tripod Collar Included Included
Tripod Collar SKU N/A N/A