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Product comparison · 2 lenses

Canon RF400mm F2.8 L IS USM vs Dahua Technology PFL20-J10M IP Camera Fixed focus lens Black

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  • 12specifications compared
  • 12differ
  • 0identical
  • 19known for one product only

Key differences

The Dahua Technology PFL20-J10M IP Camera Fixed focus lens Black has 33.1° more lens viewing angle, horizontal than the Canon RF400mm F2.8 L IS USM (38.4° vs 5.3°). The Dahua Technology PFL20-J10M IP Camera Fixed focus lens Black has 17.2° more lens viewing angle, vertical than the Canon RF400mm F2.8 L IS USM (20.5° vs 3.3°). The Canon RF400mm F2.8 L IS USM has 380 mm more fixed focal length than the Dahua Technology PFL20-J10M IP Camera Fixed focus lens Black (400 mm vs 20 mm). Component for: SLR on the Canon RF400mm F2.8 L IS USM, IP Camera on the Dahua Technology PFL20-J10M IP Camera Fixed focus lens Black. Lens type: Super telephoto lens on the Canon RF400mm F2.8 L IS USM, Fixed focus lens on the Dahua Technology PFL20-J10M IP Camera Fixed focus lens Black.

  • Component for
    • SLR
    • IP Camera
  • Lens type
    • Super telephoto lens
    • Fixed focus lens
  • Lens viewing angle, horizontal
    • 5.3°
    • 38.4°
  • Aperture range (F-F)
    • 2.8 - 32
    • 1.6 - 1.6
  • Lens viewing angle, vertical
    • 3.3°
    • 20.5°
  • Fixed focal length
    • 400 mm
    • 20 mm
  • Closest focusing distance
    • 2.5 m
    • 1 m
  • Maximum aperture number
    • 2.8
    • 1.6

Side by side

Differences highlightedShow differences only
31 specifications
A

Canon

RF400mm F2.8 L IS USMView product
B

Dahua Technology

PFL20-J10M IP Camera Fixed focus lens Black

Model PFL20-J10M

View product
Lens system9 differ
Component forDiffersSLRIP Camera
Lens structure (elements/groups)Known for one17/13
Lens typeDiffersSuper telephoto lensFixed focus lens
Lens viewing angle, horizontalDiffers5.3°38.4°
Aperture range (F-F)Differs2.8 - 321.6 - 1.6
Lens viewing angle, verticalDiffers3.3°20.5°
Fixed focal lengthDiffers400 mm20 mm
Closest focusing distanceDiffers2.5 m1 m
Maximum aperture numberDiffers2.81.6
Minimum aperture numberDiffers321.6
Number of diaphragm bladesKnown for one9
Zoom capabilityKnown for oneYes
Image stabilizerKnown for oneYes
Image stabilizer number of stopsKnown for one5.5
Lens viewing angle, diagonalKnown for one43.3°
Focal length rangeKnown for one20 mm
Lens mount interfaceKnown for oneC mount
Performanceidentical
Auto focusKnown for oneYes
Camera brands compatibilityKnown for oneCanon
Lens coating featuresKnown for oneAir Sphere Coating (ASC), Super Spectra Coating (SSC)
Maximum magnificationKnown for one0.17x
Ultrasonic motor (USM)Known for oneYes
Operating temperature (T-T)Known for one-30 - 70 °C
Design1 differ
Product colourDiffersBlack, WhiteBlack
Technical detailsidentical
Viewing angleKnown for one6.1°
Total megapixelsKnown for one10 MP
Weight & dimensions2 differ
DiameterKnown for one16.3 cm
Filter sizeKnown for one52 mm
LengthDiffers367 mm84.4 mm
WeightDiffers2.89 kg415 g
Packaging contentidentical
Lens cap includedKnown for oneYes

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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