Product comparison · 2 lenses

Canon RF 28-70 mm f2.8 IS STM vs Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE

22specifications compared
15differ
7identical
17known for one product only

Key differences

The Canon RF 28-70 mm f2.8 IS STM has 0.07 m more closest focusing distance than the Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE (0.27 m vs 0.2 m). The Canon RF 28-70 mm f2.8 IS STM has 6 more minimum aperture number than the Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE (22 vs 16). The Canon RF 28-70 mm f2.8 IS STM has 2 more diaphragm blades than the Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE (9 vs 7). Only the Canon RF 28-70 mm f2.8 IS STM has dustproof. Only the Canon RF 28-70 mm f2.8 IS STM has moisture-resistant.

Lens structure (elements/groups)
- RF 28-70 mm f2.8 IS STM:15/12
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:11/8
Lens type
- RF 28-70 mm f2.8 IS STM:Standard zoom lens
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:Wide fish-eye lens
Lens viewing angle, horizontal
- RF 28-70 mm f2.8 IS STM:65° - 29°
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:144°
Lens viewing angle, vertical
- RF 28-70 mm f2.8 IS STM:46° - 19° 30'
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:144°
Lens viewing angle, diagonal
- RF 28-70 mm f2.8 IS STM:75° - 34°
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:144°
Closest focusing distance
- RF 28-70 mm f2.8 IS STM:0.27 m
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:0.2 m
Minimum aperture number
- RF 28-70 mm f2.8 IS STM:22
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:16
Number of diaphragm blades
- RF 28-70 mm f2.8 IS STM:9
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:7

Side by side

Differences highlightedShow differences only

Comparison of RF 28-70 mm f2.8 IS STM, RF-S 3.9mm F3.5 STM DUAL FISHEYE
39 specifications	A Canon RF 28-70 mm f2.8 IS STM View product	B Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE View product
Lens system8 differ
Lens structure (elements/groups)Differs	15/12	11/8
Lens typeDiffers	Standard zoom lens	Wide fish-eye lens
Lens viewing angle, horizontalDiffers	65° - 29°	144°
Lens viewing angle, verticalDiffers	46° - 19° 30'	144°
Lens viewing angle, diagonalDiffers	75° - 34°	144°
Focal length rangeKnown for one	28 - 70 mm	Unknown — not stated by the source
Closest focusing distanceDiffers	0.27 m	0.2 m
Minimum aperture numberDiffers	22	16
Number of diaphragm bladesDiffers	9	7
Zoom capabilityKnown for one	Yes	Unknown — not stated by the source
Image stabilizerKnown for one	Yes	Unknown — not stated by the source
Image stabilizer typeKnown for one	In-Body Image Stabilization (IBIS), Optical Image Stabilization (OIS)	Unknown — not stated by the source
Image stabilizer number of stops (OIS)Known for one	5.5	Unknown — not stated by the source
Image stabilizer number of stops (IBIS x OIS)Known for one	7.5	Unknown — not stated by the source
Image sensor formatKnown for one	Unknown — not stated by the source	APS-C
Maximum aperture numberKnown for one	Unknown — not stated by the source	3.5
Performance1 differ
Lens coating featuresDiffers	Super Spectra Coating (SSC)	Air Sphere Coating (ASC)
Lens hoodKnown for one	Yes	Unknown — not stated by the source
Lens hood modelKnown for one	EW-73D	Unknown — not stated by the source
CompatibilityKnown for one	Unknown — not stated by the source	EOS R7
Maximum magnificationKnown for one	Unknown — not stated by the source	0.03x
Number of Ultra-low Dispersion (UD) elementsKnown for one	Unknown — not stated by the source	2
Design2 differ
DustproofDiffers	Yes	No
Moisture-resistantDiffers	Yes	No
Weight & dimensions4 differ
DiameterDiffers	7.65 cm	11.2 cm
Filter sizeDiffers	67 mm	30.5 mm
LengthDiffers	92.2 mm	54.6 mm
WeightDiffers	490 g	290 g
Extended lengthKnown for one	Unknown — not stated by the source	8.37 cm
Packaging contentidentical
Lens cap modelKnown for one	E-67 II	Unknown — not stated by the source
User guideKnown for one	Yes	Unknown — not stated by the source
Rear lens cap includedKnown for one	Unknown — not stated by the source	Yes

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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