Product comparison · 2 lenses

Canon RF 800 mm f5.6L IS USM vs Canon RF400mm F2.8 L IS USM

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  • 16specifications compared
  • 7differ
  • 9identical
  • 13known for one product only

Key differences

The Canon RF 800 mm f5.6L IS USM has 0.1 m more closest focusing distance than the Canon RF400mm F2.8 L IS USM (2.6 m vs 2.5 m). The Canon RF 800 mm f5.6L IS USM has 32 more minimum aperture number than the Canon RF400mm F2.8 L IS USM (64 vs 32). The Canon RF 800 mm f5.6L IS USM has 0.17 x more maximum magnification than the Canon RF400mm F2.8 L IS USM (0.34x vs 0.17x). Component for: MILC on the Canon RF 800 mm f5.6L IS USM, SLR on the Canon RF400mm F2.8 L IS USM. Lens structure (elements/groups): 26/18 on the Canon RF 800 mm f5.6L IS USM, 17/13 on the Canon RF400mm F2.8 L IS USM.

  • Component for
    • RF 800 mm f5.6L IS USM:MILC
    • RF400mm F2.8 L IS USM:SLR
  • Lens structure (elements/groups)
    • RF 800 mm f5.6L IS USM:26/18
    • RF400mm F2.8 L IS USM:17/13
  • Closest focusing distance
    • RF 800 mm f5.6L IS USM:2.6 m
    • RF400mm F2.8 L IS USM:2.5 m
  • Minimum aperture number
    • RF 800 mm f5.6L IS USM:64
    • RF400mm F2.8 L IS USM:32
  • Maximum magnification
    • RF 800 mm f5.6L IS USM:0.34x
    • RF400mm F2.8 L IS USM:0.17x
  • Length
    • RF 800 mm f5.6L IS USM:432 mm
    • RF400mm F2.8 L IS USM:367 mm
  • Weight
    • RF 800 mm f5.6L IS USM:3.14 kg
    • RF400mm F2.8 L IS USM:2.89 kg

Side by side

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Comparison of RF 800 mm f5.6L IS USM, RF400mm F2.8 L IS USM
29 specifications
Lens system4 differ
Component forDiffersMILCSLR
Lens structure (elements/groups)Differs26/1817/13
Lens typeSuper telephoto lensSuper telephoto lens
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°
Fixed focal lengthKnown for oneUnknown — not stated by the source400 mm
Closest focusing distanceDiffers2.6 m2.5 m
Maximum aperture numberKnown for oneUnknown — not stated by the source2.8
Minimum aperture numberDiffers6432
Number of diaphragm blades99
Zoom capabilityKnown for oneUnknown — not stated by the sourceYes
Image stabilizerYesYes
Image stabilizer number of stopsKnown for oneUnknown — not stated by the source5.5
Lens mount interfaceKnown for oneCanon RFUnknown — not stated by the source
Performance1 differ
Auto focusKnown for oneUnknown — not stated by the sourceYes
Camera brands compatibilityCanonCanon
Lens coating featuresAir Sphere Coating (ASC), Super Spectra Coating (SSC)Air Sphere Coating (ASC), Super Spectra Coating (SSC)
Maximum magnificationDiffers0.34x0.17x
Ultrasonic motor (USM)YesYes
Designidentical
Product colourBlack, WhiteBlack, White
DustproofKnown for oneYesUnknown — not stated by the source
Technical detailsidentical
Viewing angleKnown for oneUnknown — not stated by the source6.1°
Weight & dimensions2 differ
Diameter16.3 cm16.3 cm
Filter size52 mm52 mm
LengthDiffers432 mm367 mm
WeightDiffers3.14 kg2.89 kg
Packaging contentidentical
Lens cap includedKnown for oneUnknown — not stated by the sourceYes
Bag includedKnown for oneYesUnknown — not stated by the source

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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