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

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

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Product
Canon EF 100-400mm F4.5-5.6L IS II USM
Canon EF 400mm F2.8 L IS II USM
Name Canon EF 100-400mm F4.5-5.6L IS II USM Canon EF 400mm F2.8 L IS II USM
Manufacturer Canon Canon
SKU
Release Date and Price
Canon EF 100-400mm F4.5-5.6L IS II USM
Canon EF 400mm F2.8 L IS II USM
Release Year 2014 2010
Release Date 2014-11-11
MSRP N/A N/A
Last known price 1489 USD 0 USD
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Lens Type
Canon EF 100-400mm F4.5-5.6L IS II USM
Canon EF 400mm F2.8 L IS II USM
Lens Type Telephoto Telephoto
Supertelephoto
Zoom or Prime Zoom lens Prime lens (no zoom)
Mount and Compatibility
Canon EF 100-400mm F4.5-5.6L IS II USM
Canon EF 400mm F2.8 L IS II USM
Mount Canon EF Canon EF
Designed for APS-C sensor No (Suitable for all sensors) No (Suitable for all sensors)
Focus
Canon EF 100-400mm F4.5-5.6L IS II USM
Canon EF 400mm F2.8 L IS II USM
Autofocus (AF) Yes Yes
Built-in Autofocus (AF) Motor Yes Yes
Motor Type Ultrasonic No information
Focus Method No information No information
Closest Focusing Distance 98 cm 270 cm
Maximum Magnification 0,31
Aperture
Canon EF 100-400mm F4.5-5.6L IS II USM
Canon EF 400mm F2.8 L IS II USM
Maximum Aperture 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
F2,8
Diaphragm Blades 9 No information
Optics
Canon EF 100-400mm F4.5-5.6L IS II USM
Canon EF 400mm F2.8 L IS II USM
Construction 21 elements  /  16 groups 16 elements  /  12 groups
Special Elements/Coatings Air Sphere, fluorine coatings; Super ED element No information
Focal Length
Canon EF 100-400mm F4.5-5.6L IS II USM
Canon EF 400mm F2.8 L IS II 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
IS
Image Stabilization CIPA Rating 4 stops N/A
Physical
Canon EF 100-400mm F4.5-5.6L IS II USM
Canon EF 400mm F2.8 L IS II USM
Weather Sealing Yes Yes
Diameter 94 mm 163 mm
Length 193 mm 343 mm
Weight 1570 gr 3850 gr
Other
Canon EF 100-400mm F4.5-5.6L IS II USM
Canon EF 400mm F2.8 L IS II USM
Filter Type Filter Thread Drop-in Filter
Filter Diameter 77 mm 52 mm
Lens Hood Included Included
Lens Hood SKU ET-38D ET-155 (WII)
Tripod Collar Included Included
Tripod Collar SKU N/A N/A