Canon EF 400mm F2.8 L IS III USM vs Canon EF 100-400mm F4.5-5.6 L IS USM

This is a full comparison between the lenses Canon EF 400mm F2.8 L IS III USM and Canon EF 100-400mm F4.5-5.6 L IS USM .

Compare Specifications

Product
Canon EF 400mm F2.8 L IS III USM
Canon EF 100-400mm F4.5-5.6 L IS USM
Name Canon EF 400mm F2.8 L IS III USM Canon EF 100-400mm F4.5-5.6 L IS USM
Manufacturer Canon Canon
SKU
Release Date and Price
Canon EF 400mm F2.8 L IS III USM
Canon EF 100-400mm F4.5-5.6 L IS USM
Release Year 2018 1998
Release Date 2018-09-05
MSRP N/A 1799 USD
Last known price 9999 USD 0 USD
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Lens Type
Canon EF 400mm F2.8 L IS III USM
Canon EF 100-400mm F4.5-5.6 L IS USM
Lens Type Telephoto
Supertelephoto
Telephoto
Supertelephoto
Zoom or Prime Prime lens (no zoom) Zoom lens
Mount and Compatibility
Canon EF 400mm F2.8 L IS III USM
Canon EF 100-400mm F4.5-5.6 L IS USM
Mount Canon EF Canon EF
Designed for APS-C sensor No (Suitable for all sensors) No (Suitable for all sensors)
Focus
Canon EF 400mm F2.8 L IS III USM
Canon EF 100-400mm F4.5-5.6 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 180 cm
Maximum Magnification 0,17
Aperture
Canon EF 400mm F2.8 L IS III USM
Canon EF 100-400mm F4.5-5.6 L IS USM
Maximum Aperture F2,8 F4,5-5,6
This lens has a variable aperture at different focal lengths.
F4,5 at 100 mm
F5,6 at 400 mm
Variable Aperture
Diaphragm Blades 9 No information
Optics
Canon EF 400mm F2.8 L IS III USM
Canon EF 100-400mm F4.5-5.6 L IS USM
Construction 17 elements  /  13 groups 17 elements  /  14 groups
Special Elements/Coatings Super UD + fluorite elements + Air Sphere + Super Spectra + fluorine coatings No information
Focal Length
Canon EF 400mm F2.8 L IS III USM
Canon EF 100-400mm F4.5-5.6 L IS USM
Focal Length 400 mm 100-400 mm
Zoom Range None (Prime lens)
No Zoom available.
300 mm
Built-in Teleconverter No No
Teleconverter Multiplier N/A N/A
Image Stabilization Yes Yes
IS
Image Stabilization CIPA Rating 5 stops N/A
Physical
Canon EF 400mm F2.8 L IS III USM
Canon EF 100-400mm F4.5-5.6 L IS USM
Weather Sealing Yes No
Diameter 163 mm 92 mm
Length 343 mm 189 mm
Weight 2840 gr 1380 gr
Other
Canon EF 400mm F2.8 L IS III USM
Canon EF 100-400mm F4.5-5.6 L IS USM
Filter Type Drop-in Filter Filter Thread
Filter Diameter 52 mm 77 mm
Lens Hood Included Included
Lens Hood SKU ET-155 (WIII) ET-83C
Tripod Collar Included Included
Tripod Collar SKU N/A N/A