Product comparison · 2 lenses

Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE vs Canon RF16-28mm F2.8 IS STM

23specifications compared
16differ
7identical
12known for one product only

Key differences

The Canon RF16-28mm F2.8 IS STM has 0.05 m more closest focusing distance than the Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE (0.25 m vs 0.2 m). The Canon RF16-28mm 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 RF16-28mm 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 RF16-28mm F2.8 IS STM has dustproof. Only the Canon RF16-28mm F2.8 IS STM has moisture-resistant.

Lens structure (elements/groups)
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:11/8
- RF16-28mm F2.8 IS STM:16/13
Lens type
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:Wide fish-eye lens
- RF16-28mm F2.8 IS STM:Ultra-wide zoom lens
Lens viewing angle, horizontal
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:144°
- RF16-28mm F2.8 IS STM:98°-65°
Lens viewing angle, vertical
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:144°
- RF16-28mm F2.8 IS STM:74°10'-46°
Lens viewing angle, diagonal
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:144°
- RF16-28mm F2.8 IS STM:108°10'-75°
Closest focusing distance
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:0.2 m
- RF16-28mm F2.8 IS STM:0.25 m
Minimum aperture number
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:16
- RF16-28mm F2.8 IS STM:22
Number of diaphragm blades
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:7
- RF16-28mm F2.8 IS STM:9

Side by side

Differences highlightedShow differences only

Comparison of RF-S 3.9mm F3.5 STM DUAL FISHEYE, RF16-28mm F2.8 IS STM
35 specifications	A Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE View product	B Canon RF16-28mm F2.8 IS STM View product
Lens system8 differ
Lens structure (elements/groups)Differs	11/8	16/13
Lens typeDiffers	Wide fish-eye lens	Ultra-wide zoom lens
Lens viewing angle, horizontalDiffers	144°	98°-65°
Lens viewing angle, verticalDiffers	144°	74°10'-46°
Lens viewing angle, diagonalDiffers	144°	108°10'-75°
Closest focusing distanceDiffers	0.2 m	0.25 m
Image sensor formatKnown for one	APS-C	Unknown — not stated by the source
Maximum aperture numberKnown for one	3.5	Unknown — not stated by the source
Minimum aperture numberDiffers	16	22
Number of diaphragm bladesDiffers	7	9
Focal length rangeKnown for one	Unknown — not stated by the source	16 - 28 mm
Image stabilizerKnown for one	Unknown — not stated by the source	Yes
Image stabilizer typeKnown for one	Unknown — not stated by the source	In-Body Image Stabilization (IBIS), Optical Image Stabilization (OIS)
Image stabilizer number of stops (OIS)Known for one	Unknown — not stated by the source	5.5
Image stabilizer number of stops (IBIS x OIS)Known for one	Unknown — not stated by the source	8
Performance2 differ
CompatibilityKnown for one	EOS R7	Unknown — not stated by the source
Lens coating featuresDiffers	Air Sphere Coating (ASC)	Super Spectra Coating (SSC)
Maximum magnificationDiffers	0.03x	0.26x
Number of Ultra-low Dispersion (UD) elementsKnown for one	2	Unknown — not stated by the source
Design2 differ
DustproofDiffers	No	Yes
Moisture-resistantDiffers	No	Yes
Weight & dimensions4 differ
DiameterDiffers	11.2 cm	7.65 cm
Filter sizeDiffers	30.5 mm	67 mm
LengthDiffers	54.6 mm	91 mm
Extended lengthKnown for one	8.37 cm	Unknown — not stated by the source
WeightDiffers	290 g	445 g
Packaging contentidentical
Rear lens cap includedKnown for one	Yes	Unknown — not stated by the source
Lens cap modelKnown for one	Unknown — not stated by the source	E-67 II

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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