All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 lenses

Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE vs Dahua Technology PFL20-J10M IP Camera Fixed focus lens Black

Add a product
  • 12specifications compared
  • 11differ
  • 1identical
  • 22known for one product only

Key differences

The Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE has 105.6° more lens viewing angle, horizontal than the Dahua Technology PFL20-J10M IP Camera Fixed focus lens Black (144° vs 38.4°). The Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE has 123.5° more lens viewing angle, vertical than the Dahua Technology PFL20-J10M IP Camera Fixed focus lens Black (144° vs 20.5°). The Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE has 100.7° more lens viewing angle, diagonal than the Dahua Technology PFL20-J10M IP Camera Fixed focus lens Black (144° vs 43.3°). Component for: MILC on the Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE, IP Camera on the Dahua Technology PFL20-J10M 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 PFL20-J10M IP Camera Fixed focus lens Black.

  • Component for
    • MILC
    • IP Camera
  • Lens type
    • Wide fish-eye lens
    • Fixed focus lens
  • Lens viewing angle, horizontal
    • 144°
    • 38.4°
  • Lens viewing angle, vertical
    • 144°
    • 20.5°
  • Lens viewing angle, diagonal
    • 144°
    • 43.3°
  • Closest focusing distance
    • 0.2 m
    • 1 m
  • Lens mount interface
    • Canon RF
    • C mount
  • Maximum aperture number
    • 3.5
    • 1.6

Side by side

Differences highlightedShow differences only
34 specifications
A

Canon

RF-S 3.9mm F3.5 STM DUAL FISHEYEView product
B

Dahua Technology

PFL20-J10M IP Camera Fixed focus lens Black

Model PFL20-J10M

View product
Lens system9 differ
Component forDiffersMILCIP Camera
Lens structure (elements/groups)Known for one11/8
Lens typeDiffersWide fish-eye lensFixed focus lens
Lens viewing angle, horizontalDiffers144°38.4°
Lens viewing angle, verticalDiffers144°20.5°
Lens viewing angle, diagonalDiffers144°43.3°
Closest focusing distanceDiffers0.2 m1 m
Control ringKnown for oneYes
Image sensor formatKnown for oneAPS-C
Lens mount interfaceDiffersCanon RFC mount
Maximum aperture numberDiffers3.51.6
Minimum aperture numberDiffers161.6
Number of diaphragm bladesKnown for one7
Aperture range (F-F)Known for one1.6 - 1.6
Fixed focal lengthKnown for one20 mm
Focal length rangeKnown for one20 mm
Performanceidentical
AF actuatorKnown for oneSTM
Camera brands compatibilityKnown for oneCanon
CompatibilityKnown for oneEOS R7
Lens coating featuresKnown for oneAir Sphere Coating (ASC)
Maximum magnificationKnown for one0.03x
Number of Ultra-low Dispersion (UD) elementsKnown for one2
Operating temperature (T-T)Known for one-30 - 70 °C
Designidentical
DustproofKnown for oneNo
Moisture-resistantKnown for oneNo
Weight & dimensions2 differ
DiameterKnown for one11.2 cm
Filter sizeKnown for one30.5 mm
LengthDiffers54.6 mm84.4 mm
Extended lengthKnown for one8.37 cm
WeightDiffers290 g415 g
Packaging contentidentical
Lens cap includedKnown for oneYes
Rear lens cap includedKnown for oneYes
Technical detailsidentical
Total megapixelsKnown for one10 MP

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.

More lens comparisons

All lens comparisons