Canon EF 400mm F2.8L IS III USM vs Canon EF 400mm f4.0 DO IS USM Detailed Comparison

Canon EF 400mm F2.8L IS III USM vs Canon EF 400mm f4.0 DO IS USM

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Telephoto Prime | Canon EF

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Telephoto Prime | Canon EF

Reasons to choose Canon EF 400mm F2.8L IS III USM over Canon EF 400mm f4.0 DO IS USM

Reasons to choose Canon EF 400mm f4.0 DO IS USM over Canon EF 400mm F2.8L IS III USM

Canon EF 400mm F2.8L IS III USM vs Canon 400mm f4.0 DO IS USM Specs Table

Detailed comparison of specifications

General	Canon EF 400mm F2.8L IS III USM	Canon 400mm f4.0 DO IS USM
Brand	Canon	Canon
Lens Type	Prime	Prime
Price	$11,999.00	$1,899.00
Lens Type	Telephoto Prime	Telephoto Prime
Lens Mount	Canon EF	Canon EF
Max Format	35mm FF	35mm FF
Focal Range	400mm	400mm
Image Stabilization	Yes	Yes
Colour	Unknown
Zoom Method	No Zoom	No Zoom
Power Zoom	No	No
Zoom Lock	No	No
Zoom Ratio	1.0X	1.0X
Aperture
Max Aperture	F2.8	F4.0
Min Aperture	F32	F32.0
Aperture Ring	No	No
Diaphragm Blades	9	8
Optics
Optical Elements	17	17
Optical Groups	13	13
Special Elements	Super UD + fluorite elements + Air Sphere + Super Spectra + fluorine coatings	Multi-Layer Diffractive Optical (DO) Element
Focusing
Min Focus Distance	2.5m	3.5m
Max Magnification	0.17X	0.12X
Autofocus	Yes	Yes
AF Motor Type	Ring-type ultrasonic	Ultrasonic
Full Time Manual	Yes	Yes
Focus Method	Rear	Internal
Distance Scale	Yes	Yes
DoF Scale	No	Yes
Distance Scale	Yes	Yes
Focus Distance Limiter	Yes	Unknown
Physical Specs
Weight	2840g	1940g
Diameter	163mm	128mm
Length	343mm	233mm
Materials	Magnesium alloy	Metal barrel, metal mount
Weather Sealing	Yes	Yes
Filter Thread	52mm	52mm
Filter Notes	-	-
Hood Supplied	Yes	Unknown
Hood Code	Unknown	ET-120
Tripod Collar	Yes	Yes
Optional Accessories	-	Lens Case 400
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