Canon RF 100-400mm F5.6-8 IS USM vs Canon RF 400mm F2.8 L IS USM

This is a full comparison between the lenses Canon RF 100-400mm F5.6-8 IS USM and Canon RF 400mm F2.8 L IS USM.

Compare Specifications

Product
Canon RF 100-400mm F5.6-8 IS USM
Canon RF 400mm F2.8 L IS USM
Name Canon RF 100-400mm F5.6-8 IS USM Canon RF 400mm F2.8 L IS USM
Manufacturer Canon Canon
SKU
Release Date and Price
Canon RF 100-400mm F5.6-8 IS USM
Canon RF 400mm F2.8 L IS USM
Release Year 2021 2021
Release Date 2021-09-14 2021-04-14
MSRP N/A N/A
Last known price 599 USD 11999 USD
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Lens Type
Canon RF 100-400mm F5.6-8 IS USM
Canon RF 400mm F2.8 L IS USM
Lens Type Telephoto Telephoto
Supertelephoto
Zoom or Prime Zoom lens Prime lens (no zoom)
Mount and Compatibility
Canon RF 100-400mm F5.6-8 IS USM
Canon RF 400mm F2.8 L IS USM
Mount Canon RF Canon RF
Designed for APS-C sensor No (Suitable for all sensors) No (Suitable for all sensors)
Focus
Canon RF 100-400mm F5.6-8 IS USM
Canon RF 400mm F2.8 L IS USM
Autofocus (AF) Yes Yes
Built-in Autofocus (AF) Motor Yes Yes
Motor Type Nano Ultrasonic Ring-Type Ultrasonic
Focus Method No information No information
Closest Focusing Distance 88 cm 250 cm
Maximum Magnification 0,41 0,17
Aperture
Canon RF 100-400mm F5.6-8 IS USM
Canon RF 400mm F2.8 L IS USM
Maximum Aperture F5,6-8
This lens has a variable aperture at different focal lengths.
F5,6 at 100 mm
F8 at 400 mm
Variable Aperture
F2,8
Diaphragm Blades 9 9
Optics
Canon RF 100-400mm F5.6-8 IS USM
Canon RF 400mm F2.8 L IS USM
Construction 12 elements  /  9 groups 17 elements  /  13 groups
Special Elements/Coatings 1 UD + 1 aspherical element, Super Spectra Coating 1 Super UD + 2 fluorite elements, Super Spectra + ASC coatings
Focal Length
Canon RF 100-400mm F5.6-8 IS USM
Canon RF 400mm F2.8 L IS USM
Focal Length 100-400 mm 400 mm
Zoom Range 300 mm None (Prime lens)
No Zoom available.
Built-in Teleconverter No No
Teleconverter Multiplier N/A N/A
Image Stabilization Yes Yes
Image Stabilization CIPA Rating 5.5 stops 5.5 stops
Physical
Canon RF 100-400mm F5.6-8 IS USM
Canon RF 400mm F2.8 L IS USM
Weather Sealing No Yes
Diameter 80 mm 168 mm
Length 165 mm 367 mm
Weight 635 gr 2890 gr
Other
Canon RF 100-400mm F5.6-8 IS USM
Canon RF 400mm F2.8 L IS USM
Filter Type Filter Thread Drop-in Filter
Filter Diameter 67 mm 52 mm
Lens Hood Not Included Included
Lens Hood SKU ET-74B ET-155
Tripod Collar N/A Included
Tripod Collar SKU N/A N/A