Product comparison · 2 lenses

Canon EF 28-300 f/3.5-5.6L IS USM vs Canon EF 400mm f/2.8L IS II USM

10specifications compared
8differ
2identical
13known for one product only

Key differences

The Canon EF 28-300 f/3.5-5.6L IS USM has 6 more maximum aperture number than the Canon EF 400mm f/2.8L IS II USM (38 vs 32). The Canon EF 28-300 f/3.5-5.6L IS USM has 19.2 more minimum aperture number than the Canon EF 400mm f/2.8L IS II USM (22 vs 2.8). The Canon EF 400mm f/2.8L IS II USM has 1 more diaphragm blades than the Canon EF 28-300 f/3.5-5.6L IS USM (9 vs 8). Lens structure (elements/groups): 23/16 on the Canon EF 28-300 f/3.5-5.6L IS USM, 16/12 on the Canon EF 400mm f/2.8L IS II USM.

Lens structure (elements/groups)
- EF 28-300 f/3.5-5.6L IS USM:23/16
- EF 400mm f/2.8L IS II USM:16/12
Maximum aperture number
- EF 28-300 f/3.5-5.6L IS USM:38
- EF 400mm f/2.8L IS II USM:32
Minimum aperture number
- EF 28-300 f/3.5-5.6L IS USM:22
- EF 400mm f/2.8L IS II USM:2.8
Number of diaphragm blades
- EF 28-300 f/3.5-5.6L IS USM:8
- EF 400mm f/2.8L IS II USM:9
Diameter
- EF 28-300 f/3.5-5.6L IS USM:9.2 cm
- EF 400mm f/2.8L IS II USM:16.3 cm
Length
- EF 28-300 f/3.5-5.6L IS USM:184 mm
- EF 400mm f/2.8L IS II USM:343 mm
Weight
- EF 28-300 f/3.5-5.6L IS USM:1.67 kg
- EF 400mm f/2.8L IS II USM:3.85 kg
Magnification
- EF 28-300 f/3.5-5.6L IS USM:0.06x
- EF 400mm f/2.8L IS II USM:0.17x

Side by side

Differences highlightedShow differences only

Comparison of EF 28-300 f/3.5-5.6L IS USM, EF 400mm f/2.8L IS II USM
23 specifications	A Canon EF 28-300 f/3.5-5.6L IS USM View product	B Canon EF 400mm f/2.8L IS II USM View product
Lens system4 differ
Lens structure (elements/groups)Differs	23/16	16/12
Lens viewing angle, horizontalKnown for one	65°	Unknown — not stated by the source
Lens viewing angle, verticalKnown for one	46°	Unknown — not stated by the source
Lens viewing angle, diagonalKnown for one	75°	Unknown — not stated by the source
Focal length rangeKnown for one	28 - 300 mm	Unknown — not stated by the source
Maximum aperture numberDiffers	38	32
Minimum aperture numberDiffers	22	2.8
Number of diaphragm bladesDiffers	8	9
Image stabilizer	Yes	Yes
Component forKnown for one	Unknown — not stated by the source	SLR
Lens typeKnown for one	Unknown — not stated by the source	Telephoto lens
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
Performanceidentical
AF actuator	USM	USM
Auto focusKnown for one	Yes	Unknown — not stated by the source
CompatibilityKnown for one	Canon EF12, EF25, ET-83G, LZ1324	Unknown — not stated by the source
Manual focusKnown for one	Yes	Unknown — not stated by the source
Designidentical
Product colourKnown for one	White	Unknown — not stated by the source
Weight & dimensions3 differ
DiameterDiffers	9.2 cm	16.3 cm
Filter sizeKnown for one	77 mm	Unknown — not stated by the source
LengthDiffers	184 mm	343 mm
WeightDiffers	1.67 kg	3.85 kg
Other features1 differ
MagnificationDiffers	0.06x	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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