Product comparison · 2 lenses

Canon Extender EF 1.4x III vs Canon EF 400mm f/2.8L IS II USM

7specifications compared
6differ
1identical
14known for one product only

Key differences

Lens structure (elements/groups)
- Extender EF 1.4x III:7/3
- EF 400mm f/2.8L IS II USM:16/12
Lens type
- Extender EF 1.4x III:Extender lens
- EF 400mm f/2.8L IS II USM:Telephoto lens
Diameter
- Extender EF 1.4x III:7.2 cm
- EF 400mm f/2.8L IS II USM:16.3 cm
Length
- Extender EF 1.4x III:27.2 mm
- EF 400mm f/2.8L IS II USM:343 mm
Weight
- Extender EF 1.4x III:225 g
- EF 400mm f/2.8L IS II USM:3.85 kg
Magnification
- Extender EF 1.4x III:1.4x
- EF 400mm f/2.8L IS II USM:0.17x

Side by side

Differences highlightedShow differences only

Comparison of 4409B005, EF 400mm f/2.8L IS II USM
21 specifications	A Canon Extender EF 1.4x III Model 4409B005 View product	B Canon EF 400mm f/2.8L IS II USM View product
Lens system2 differ
Lens structure (elements/groups)Differs	7/3	16/12
Lens typeDiffers	Extender lens	Telephoto lens
Lens mount interfaceKnown for one	Canon EF	Unknown — not stated by the source
Fixed focal lengthKnown for one	Unknown — not stated by the source	400 mm
Closest focusing distanceKnown for one	Unknown — not stated by the source	2.7 m
Maximum aperture numberKnown for one	Unknown — not stated by the source	32
Minimum aperture numberKnown for one	Unknown — not stated by the source	2.8
Number of diaphragm bladesKnown for one	Unknown — not stated by the source	9
Image stabilizerKnown for one	Unknown — not stated by the source	Yes
Performanceidentical
CompatibilityKnown for one	EF 100-400mm f/4.5-5.6L IS USM, EF 135mm f/2L USM, EF 180mm f/3.5L Macro USM, EF 200mm f/2.8L II USM, EF 200mm f/2L IS USM, EF 300 2.8 L USM, EF 300mm f/2.8L IS USM, EF 300mm f/4L IS USM, EF 400mm f/2.8L IS USM, EF 400mm f/4 DO IS USM, EF 400mm f/5.6L USM, EF 500mm f/4L IS II USM, EF 500mm f/4L IS U	Unknown — not stated by the source
AF actuatorKnown for one	Unknown — not stated by the source	USM
Designidentical
Product colourKnown for one	White	Unknown — not stated by the source
Weight & dimensions3 differ
DiameterDiffers	7.2 cm	16.3 cm
LengthDiffers	27.2 mm	343 mm
WeightDiffers	225 g	3.85 kg
Packaging dataidentical
Package depthKnown for one	95 mm	Unknown — not stated by the source
Package heightKnown for one	95 mm	Unknown — not stated by the source
Package weightKnown for one	355 g	Unknown — not stated by the source
Package widthKnown for one	115 mm	Unknown — not stated by the source
Other features1 differ
MagnificationDiffers	1.4x	0.17x

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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