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Product comparison · 2 lenses

Canon RF-S 7.8 mm F4 STM Dual vs Canon RF400mm F2.8 L IS USM

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  • 21specifications compared
  • 18differ
  • 3identical
  • 23known for one product only

Key differences

The Canon RF-S 7.8 mm F4 STM Dual has 57.7° more lens viewing angle, horizontal than the Canon RF400mm F2.8 L IS USM (63° vs 5.3°). The Canon RF-S 7.8 mm F4 STM Dual has 59.7° more lens viewing angle, vertical than the Canon RF400mm F2.8 L IS USM (63° vs 3.3°). The Canon RF400mm F2.8 L IS USM has 392.2 mm more fixed focal length than the Canon RF-S 7.8 mm F4 STM Dual (400 mm vs 7.8 mm). Only the Canon RF400mm F2.8 L IS USM has zoom capability. Component for: MILC on the Canon RF-S 7.8 mm F4 STM Dual, SLR on the Canon RF400mm F2.8 L IS USM.

  • Component for
    • MILC
    • SLR
  • Lens structure (elements/groups)
    • 9/7
    • 17/13
  • Lens type
    • Stereoscopic lens
    • Super telephoto lens
  • Lens viewing angle, horizontal
    • 63°
    • 5.3°
  • Lens viewing angle, vertical
    • 63°
    • 3.3°
  • Fixed focal length
    • 7.8 mm
    • 400 mm
  • Closest focusing distance
    • 0.15 m
    • 2.5 m
  • Maximum aperture number
    • 4
    • 2.8

Side by side

Differences highlightedShow differences only
44 specifications
A

Canon

RF-S 7.8 mm F4 STM DualView product
B

Canon

RF400mm F2.8 L IS USMView product
Lens system11 differ
Component forDiffersMILCSLR
Lens structure (elements/groups)Differs9/717/13
Lens typeDiffersStereoscopic lensSuper telephoto lens
Lens viewing angle, horizontalDiffers63°5.3°
Focus adjustmentKnown for oneAuto/Manual
Lens viewing angle, verticalDiffers63°3.3°
Fixed focal lengthDiffers7.8 mm400 mm
Lens viewing angle, diagonalKnown for one63°
Closest focusing distanceDiffers0.15 m2.5 m
Control ringKnown for oneYes
Image sensor formatKnown for oneAPS-C
Lens mount interfaceKnown for oneCanon RF
Maximum aperture numberDiffers42.8
Minimum aperture numberDiffers1632
Number of diaphragm bladesDiffers79
Zoom capabilityDiffersNoYes
Aperture range (F-F)Known for one2.8 - 32
Image stabilizerKnown for oneYes
Image stabilizer number of stopsKnown for one5.5
Performance2 differ
AF actuatorKnown for oneSTM
Auto focusYesYes
Camera brands compatibilityCanonCanon
Lens coating featuresDiffersSuper Spectra Coating (SSC)Air Sphere Coating (ASC), Super Spectra Coating (SSC)
Manual focusKnown for oneYes
Maximum magnificationDiffers0.07x0.17x
Ultrasonic motor (USM)Known for oneYes
Design1 differ
Product colourDiffersBlackBlack, White
Mounting typeKnown for oneBayonet
DustproofKnown for oneNo
Moisture-resistantKnown for oneNo
Logistics dataidentical
Layers per palletKnown for one5 pc(s)
Weight & dimensions4 differ
DiameterDiffers6.92 cm16.3 cm
Filter sizeDiffers58 mm52 mm
LengthDiffers41.5 mm367 mm
WeightDiffers130 g2.89 kg
Packaging dataidentical
Package depthKnown for one110 mm
Package heightKnown for one132 mm
Package weightKnown for one272 g
Package widthKnown for one110 mm
Packaging contentidentical
Lens cap includedYesYes
Lens cap modelKnown for oneE-58II
Rear lens cap includedKnown for oneYes
Rear lens cap modelKnown for oneRF
Technical detailsidentical
Viewing angleKnown for one6.1°

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