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Product comparison · 2 lenses

Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE vs Dahua Technology PFL1640-L12PE IP Camera Black

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  • 10specifications compared
  • 9differ
  • 1identical
  • 29known for one product only

Key differences

The Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE has 93.9° more lens viewing angle, horizontal than the Dahua Technology PFL1640-L12PE IP Camera Black (144° vs 50.1°). The Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE has 109.6° more lens viewing angle, vertical than the Dahua Technology PFL1640-L12PE IP Camera Black (144° vs 34.4°). The Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE has 83.7° more lens viewing angle, diagonal than the Dahua Technology PFL1640-L12PE IP Camera Black (144° vs 60.3°). Component for: MILC on the Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE, IP Camera on the Dahua Technology PFL1640-L12PE IP Camera Black. Lens mount interface: Canon RF on the Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE, C mount on the Dahua Technology PFL1640-L12PE IP Camera Black.

  • Component for
    • MILC
    • IP Camera
  • Lens viewing angle, horizontal
    • 144°
    • 50.1°
  • Lens viewing angle, vertical
    • 144°
    • 34.4°
  • Lens viewing angle, diagonal
    • 144°
    • 60.3°
  • Closest focusing distance
    • 0.2 m
    • 1.5 m
  • Lens mount interface
    • Canon RF
    • C mount
  • Maximum aperture number
    • 3.5
    • 1.4
  • Minimum aperture number
    • 16
    • 1.4

Side by side

Differences highlightedShow differences only
39 specifications
A

Canon

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

Dahua Technology

PFL1640-L12PE IP Camera Black

Model PFL1640-L12PE

View product
Lens system8 differ
Component forDiffersMILCIP Camera
Lens structure (elements/groups)Known for one11/8
Lens typeKnown for oneWide fish-eye lens
Lens viewing angle, horizontalDiffers144°50.1°
Lens viewing angle, verticalDiffers144°34.4°
Lens viewing angle, diagonalDiffers144°60.3°
Closest focusing distanceDiffers0.2 m1.5 m
Control ringKnown for oneYes
Image sensor formatKnown for oneAPS-C
Lens mount interfaceDiffersCanon RFC mount
Maximum aperture numberDiffers3.51.4
Minimum aperture numberDiffers161.4
Number of diaphragm bladesKnown for one7
Aperture range (F-F)Known for one1.4 - 1.4
Focal length rangeKnown for one16 - 40 mm
Zoom capabilityKnown for oneYes
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-40 - 70 °C
Designidentical
DustproofKnown for oneNo
Moisture-resistantKnown for oneNo
MaterialKnown for oneMetal
Weight & dimensions1 differ
DiameterKnown for one11.2 cm
Filter sizeKnown for one30.5 mm
LengthKnown for one54.6 mm
Extended lengthKnown for one8.37 cm
WeightDiffers290 g709 g
Packaging contentidentical
Lens cap includedKnown for oneYes
Rear lens cap includedKnown for oneYes
Technical detailsidentical
Total megapixelsKnown for one12 MP
Packaging dataidentical
Package depthKnown for one345 mm
Package heightKnown for one250 mm
Package weightKnown for one815 g
Package widthKnown for one615 mm

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