Product comparison · 2 lenses

Canon RF 20 mm F1.4L VCM vs Canon RF400mm F2.8 L IS USM

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  • 20specifications compared
  • 16differ
  • 4identical
  • 24known for one product only

Key differences

The Canon RF400mm F2.8 L IS USM has 380 mm more fixed focal length than the Canon RF 20 mm F1.4L VCM (400 mm vs 20 mm). The Canon RF400mm F2.8 L IS USM has 2.3 m more closest focusing distance than the Canon RF 20 mm F1.4L VCM (2.5 m vs 0.2 m). The Canon RF400mm F2.8 L IS USM has 1.4 more maximum aperture number than the Canon RF 20 mm F1.4L VCM (2.8 vs 1.4). Only the Canon RF400mm F2.8 L IS USM has zoom capability. Component for: MILC on the Canon RF 20 mm F1.4L VCM, SLR on the Canon RF400mm F2.8 L IS USM.

  • Component for
    • RF 20 mm F1.4L VCM:MILC
    • RF400mm F2.8 L IS USM:SLR
  • Lens structure (elements/groups)
    • RF 20 mm F1.4L VCM:15/11
    • RF400mm F2.8 L IS USM:17/13
  • Lens type
    • RF 20 mm F1.4L VCM:Wide-angle
    • RF400mm F2.8 L IS USM:Super telephoto lens
  • Fixed focal length
    • RF 20 mm F1.4L VCM:20 mm
    • RF400mm F2.8 L IS USM:400 mm
  • Closest focusing distance
    • RF 20 mm F1.4L VCM:0.2 m
    • RF400mm F2.8 L IS USM:2.5 m
  • Maximum aperture number
    • RF 20 mm F1.4L VCM:1.4
    • RF400mm F2.8 L IS USM:2.8
  • Minimum aperture number
    • RF 20 mm F1.4L VCM:16
    • RF400mm F2.8 L IS USM:32
  • Number of diaphragm blades
    • RF 20 mm F1.4L VCM:11
    • RF400mm F2.8 L IS USM:9

Side by side

Differences highlightedShow differences only (off)
Comparison of RF 20 mm F1.4L VCM, RF400mm F2.8 L IS USM
44 specifications
Lens system9 differ
Component forDiffersMILCSLR
Lens structure (elements/groups)Differs15/1117/13
Lens typeDiffersWide-angleSuper telephoto lens
Fixed focal lengthDiffers20 mm400 mm
Lens viewing angle, diagonalKnown for one94°Unknown — not stated by the source
Closest focusing distanceDiffers0.2 m2.5 m
Control ringKnown for oneYesUnknown — not stated by the source
Lens mount interfaceKnown for oneCanon RFUnknown — not stated by the source
Maximum aperture numberDiffers1.42.8
Minimum aperture numberDiffers1632
Number of aspheric elementsKnown for one2Unknown — not stated by the source
Number of diaphragm bladesDiffers119
Zoom capabilityDiffersNoYes
Lens viewing angle, horizontalKnown for oneUnknown — not stated by the source5.3°
Aperture range (F-F)Known for oneUnknown — not stated by the source2.8 - 32
Lens viewing angle, verticalKnown for oneUnknown — not stated by the source3.3°
Image stabilizerKnown for oneUnknown — not stated by the sourceYes
Image stabilizer number of stopsKnown for oneUnknown — not stated by the source5.5
Performance2 differ
Auto focusYesYes
Camera brands compatibilityCanonCanon
Lens coating featuresDiffersAir Sphere Coating (ASC), Fluorine coating, Sub-wavelength Structure Coating (SWC)Air Sphere Coating (ASC), Super Spectra Coating (SSC)
Manual focusKnown for oneYesUnknown — not stated by the source
Maximum magnificationDiffers0.19x0.17x
Number of Ultra-low Dispersion (UD) elementsKnown for one2Unknown — not stated by the source
Ultrasonic motor (USM)YesYes
Lens hoodKnown for oneYesUnknown — not stated by the source
Lens hood shapeKnown for onePetal lens hoodUnknown — not stated by the source
Lens hood typeKnown for oneRemovable lens hoodUnknown — not stated by the source
Lens hood modelKnown for oneEW-73HUnknown — not stated by the source
Design1 differ
Market segmentKnown for oneProfessionalUnknown — not stated by the source
Product colourDiffersBlackBlack, White
Mounting typeKnown for oneBayonetUnknown — not stated by the source
DustproofKnown for oneYesUnknown — not stated by the source
WeatherproofKnown for oneYesUnknown — not stated by the source
Weight & dimensions4 differ
DiameterDiffers7.65 cm16.3 cm
Filter sizeDiffers67 mm52 mm
LengthDiffers99.3 mm367 mm
WeightDiffers519 g2.89 kg
Packaging contentidentical
Bag includedKnown for oneYesUnknown — not stated by the source
Bag modelKnown for oneLP1219Unknown — not stated by the source
Lens cap includedYesYes
Lens cap modelKnown for oneE-67IIUnknown — not stated by the source
Rear lens cap includedKnown for oneYesUnknown — not stated by the source
Technical detailsidentical
Viewing angleKnown for oneUnknown — not stated by the source6.1°

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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