Canon EF 400mm F2.8L IS III USM vs Canon EF 400mm F4 DO IS II USM Detailed Comparison

Canon EF 400mm F2.8L IS III USM vs Canon EF 400mm F4 DO IS II USM

Lens to replace

Change

Telephoto Prime | Canon EF

Change

Telephoto Prime | Canon EF

Reasons to choose Canon EF 400mm F2.8L IS III USM over Canon EF 400mm F4 DO IS II USM

Max Aperture - Wide	2.8 vs 4	faster lens at wide
Max Magnification	0.17x vs 0.13x	better close-up

Reasons to choose Canon EF 400mm F4 DO IS II USM over Canon EF 400mm F2.8L IS III USM

Canon EF 400mm F2.8L IS III USM vs Canon 400mm F4 DO IS II USM Specs Table

Detailed comparison of specifications

General	Canon EF 400mm F2.8L IS III USM	Canon 400mm F4 DO IS II USM
Brand	Canon	Canon
Lens Type	Prime	Prime
Price	$11,999.00	$6,899.99
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	Rotary (internal)
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	9
Optics
Optical Elements	17	18
Optical Groups	13	12
Special Elements	Super UD + fluorite elements + Air Sphere + Super Spectra + fluorine coatings	Anti-smear fluorine coating on front element, large-diameter aspheric element, UD element
Focusing
Min Focus Distance	2.5m	3.3m
Max Magnification	0.17X	0.13X
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	No
Distance Scale	Yes	Yes
Focus Distance Limiter	Yes	Yes
Physical Specs
Weight	2840g	2100g
Diameter	163mm	128mm
Length	343mm	233mm
Materials	Magnesium alloy	Unknown
Weather Sealing	Yes	Yes
Filter Thread	52mm	52mm
Filter Notes	-	Uses drop-in filters
Hood Supplied	Yes	Yes
Hood Code	Unknown	ET-120
Tripod Collar	Yes	Yes
Optional Accessories	-	Lens case (400D)
	Report	Report