Product comparison · 2 lenses

Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE vs Canon RF100-400mm F5.6-8 IS USM

22specifications compared
17differ
5identical
15known for one product only

Key differences

The Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE has 124° more lens viewing angle, horizontal than the Canon RF100-400mm F5.6-8 IS USM (144° vs 20°). The Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE has 130° more lens viewing angle, vertical than the Canon RF100-400mm F5.6-8 IS USM (144° vs 14°). The Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE has 120° more lens viewing angle, diagonal than the Canon RF100-400mm F5.6-8 IS USM (144° vs 24°). Lens structure (elements/groups): 11/8 on the Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE, 12/9 on the Canon RF100-400mm F5.6-8 IS USM. Lens type: Wide fish-eye lens on the Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE, Telephoto lens on the Canon RF100-400mm F5.6-8 IS USM.

Lens structure (elements/groups)
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:11/8
- RF100-400mm F5.6-8 IS USM:12/9
Lens type
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:Wide fish-eye lens
- RF100-400mm F5.6-8 IS USM:Telephoto lens
Lens viewing angle, horizontal
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:144°
- RF100-400mm F5.6-8 IS USM:20°
Lens viewing angle, vertical
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:144°
- RF100-400mm F5.6-8 IS USM:14°
Lens viewing angle, diagonal
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:144°
- RF100-400mm F5.6-8 IS USM:24°
Closest focusing distance
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:0.2 m
- RF100-400mm F5.6-8 IS USM:0.88 m
Image sensor format
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:APS-C
- RF100-400mm F5.6-8 IS USM:Full frame
Maximum aperture number
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:3.5
- RF100-400mm F5.6-8 IS USM:8

Side by side

Differences highlightedShow differences only

Comparison of RF-S 3.9mm F3.5 STM DUAL FISHEYE, RF100-400mm F5.6-8 IS USM
37 specifications	A Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE View product	B Canon RF100-400mm F5.6-8 IS USM View product
Lens system10 differ
Lens structure (elements/groups)Differs	11/8	12/9
Lens typeDiffers	Wide fish-eye lens	Telephoto lens
Lens viewing angle, horizontalDiffers	144°	20°
Lens viewing angle, verticalDiffers	144°	14°
Lens viewing angle, diagonalDiffers	144°	24°
Focal length rangeKnown for one	Unknown — not stated by the source	100 - 400 mm
Closest focusing distanceDiffers	0.2 m	0.88 m
Image sensor formatDiffers	APS-C	Full frame
Maximum aperture numberDiffers	3.5	8
Minimum aperture numberDiffers	16	45
Number of diaphragm bladesDiffers	7	9
Image stabilizerKnown for one	Unknown — not stated by the source	Yes
Image stabilizer number of stopsKnown for one	Unknown — not stated by the source	5.5
Control ringKnown for one	Yes	Unknown — not stated by the source
Performance3 differ
AF actuatorDiffers	STM	Nano USM
Auto focusKnown for one	Unknown — not stated by the source	Yes
Lens coating featuresDiffers	Air Sphere Coating (ASC)	Super Spectra Coating (SSC)
Maximum magnificationDiffers	0.03x	0.41x
CompatibilityKnown for one	EOS R7	Unknown — not stated by the source
Number of Ultra-low Dispersion (UD) elementsKnown for one	2	Unknown — not stated by the source
Designidentical
DustproofKnown for one	No	Unknown — not stated by the source
Moisture-resistantKnown for one	No	Unknown — not stated by the source
Weight & dimensions4 differ
DiameterDiffers	11.2 cm	7.95 cm
Filter sizeDiffers	30.5 mm	67 mm
LengthDiffers	54.6 mm	164.7 mm
WeightDiffers	290 g	635 g
Extended lengthKnown for one	8.37 cm	Unknown — not stated by the source
Packaging dataidentical
Package depthKnown for one	Unknown — not stated by the source	122 mm
Package heightKnown for one	Unknown — not stated by the source	231 mm
Package weightKnown for one	Unknown — not stated by the source	839 g
Package widthKnown for one	Unknown — not stated by the source	122 mm
Packaging contentidentical
Rear lens cap includedKnown for one	Yes	Unknown — not stated by the source

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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