Product comparison · 2 lenses

Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE vs Dahua Technology PFL50-L12M camera lens IP Camera Fixed focus lens Black

11specifications compared
10differ
1identical
30known for one product only

Key differences

The Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE has 127.5° more lens viewing angle, horizontal than the Dahua Technology PFL50-L12M camera lens IP Camera Fixed focus lens Black (144° vs 16.5°). The Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE has 132.7° more lens viewing angle, vertical than the Dahua Technology PFL50-L12M camera lens IP Camera Fixed focus lens Black (144° vs 11.3°). The Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE has 123.9° more lens viewing angle, diagonal than the Dahua Technology PFL50-L12M camera lens IP Camera Fixed focus lens Black (144° vs 20.1°). Component for: MILC on the Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE, IP Camera on the Dahua Technology PFL50-L12M camera lens IP Camera Fixed focus lens Black. Lens type: Wide fish-eye lens on the Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE, Fixed focus lens on the Dahua Technology PFL50-L12M camera lens IP Camera Fixed focus lens Black.

Component for
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:MILC
- PFL50-L12M camera lens IP Camera Fixed focus lens Black:IP Camera
Lens type
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:Wide fish-eye lens
- PFL50-L12M camera lens IP Camera Fixed focus lens Black:Fixed focus lens
Lens viewing angle, horizontal
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:144°
- PFL50-L12M camera lens IP Camera Fixed focus lens Black:16.5°
Lens viewing angle, vertical
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:144°
- PFL50-L12M camera lens IP Camera Fixed focus lens Black:11.3°
Lens viewing angle, diagonal
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:144°
- PFL50-L12M camera lens IP Camera Fixed focus lens Black:20.1°
Closest focusing distance
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:0.2 m
- PFL50-L12M camera lens IP Camera Fixed focus lens Black:1.5 m
Lens mount interface
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:Canon RF
- PFL50-L12M camera lens IP Camera Fixed focus lens Black:C mount
Maximum aperture number
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:3.5
- PFL50-L12M camera lens IP Camera Fixed focus lens Black:1.4

Side by side

Differences highlightedShow differences only

Comparison of RF-S 3.9mm F3.5 STM DUAL FISHEYE, PFL50-L12M
41 specifications	A Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE View product	B Dahua Technology PFL50-L12M camera lens IP Camera Fixed focus lens Black Model PFL50-L12M View product
Lens system9 differ
Component forDiffers	MILC	IP Camera
Lens structure (elements/groups)Known for one	11/8	Unknown — not stated by the source
Lens typeDiffers	Wide fish-eye lens	Fixed focus lens
Lens viewing angle, horizontalDiffers	144°	16.5°
Lens viewing angle, verticalDiffers	144°	11.3°
Lens viewing angle, diagonalDiffers	144°	20.1°
Closest focusing distanceDiffers	0.2 m	1.5 m
Control ringKnown for one	Yes	Unknown — not stated by the source
Image sensor formatKnown for one	APS-C	Unknown — not stated by the source
Lens mount interfaceDiffers	Canon RF	C mount
Maximum aperture numberDiffers	3.5	1.4
Minimum aperture numberDiffers	16	1.4
Number of diaphragm bladesKnown for one	7	Unknown — not stated by the source
Aperture range (F-F)Known for one	Unknown — not stated by the source	1.4 - 1.4
Fixed focal lengthKnown for one	Unknown — not stated by the source	50 mm
Focal length rangeKnown for one	Unknown — not stated by the source	50 - 50 mm
DistortionKnown for one	Unknown — not stated by the source	-2%
Optical sensor sizeKnown for one	Unknown — not stated by the source	25.4 / 1.1 mm (1 / 1.1")
Performanceidentical
AF actuatorKnown for one	STM	Unknown — not stated by the source
Camera brands compatibilityKnown for one	Canon	Unknown — not stated by the source
CompatibilityKnown for one	EOS R7	Unknown — not stated by the source
Lens coating featuresKnown for one	Air Sphere Coating (ASC)	Unknown — not stated by the source
Maximum magnificationKnown for one	0.03x	Unknown — not stated by the source
Number of Ultra-low Dispersion (UD) elementsKnown for one	2	Unknown — not stated by the source
Operating temperature (T-T)Known for one	Unknown — not stated by the source	-30 - 70 °C
Designidentical
DustproofKnown for one	No	Unknown — not stated by the source
Moisture-resistantKnown for one	No	Unknown — not stated by the source
MaterialKnown for one	Unknown — not stated by the source	Metal
Weight & dimensions1 differ
DiameterKnown for one	11.2 cm	Unknown — not stated by the source
Filter sizeKnown for one	30.5 mm	Unknown — not stated by the source
LengthKnown for one	54.6 mm	Unknown — not stated by the source
Extended lengthKnown for one	8.37 cm	Unknown — not stated by the source
WeightDiffers	290 g	318 g
Packaging contentidentical
Lens cap includedKnown for one	Yes	Unknown — not stated by the source
Rear lens cap includedKnown for one	Yes	Unknown — not stated by the source
Technical detailsidentical
Total megapixelsKnown for one	Unknown — not stated by the source	12 MP
Packaging dataidentical
Package depthKnown for one	Unknown — not stated by the source	455 mm
Package heightKnown for one	Unknown — not stated by the source	325 mm
Package weightKnown for one	Unknown — not stated by the source	370 g
Package widthKnown for one	Unknown — not stated by the source	255 mm

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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