Product comparison · 2 lenses

Canon RF400mm F2.8 L IS USM vs Canon RF800mm F5.6 L IS USM

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

Key differences

The Canon RF800mm F5.6 L 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 RF800mm F5.6 L IS USM has 32 more minimum aperture number than the Canon RF400mm F2.8 L IS USM (64 vs 32). The Canon RF800mm F5.6 L 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: SLR on the Canon RF400mm F2.8 L IS USM, MILC on the Canon RF800mm F5.6 L IS USM. Lens structure (elements/groups): 17/13 on the Canon RF400mm F2.8 L IS USM, 26/18 on the Canon RF800mm F5.6 L IS USM.

  • Component for
    • RF400mm F2.8 L IS USM:SLR
    • RF800mm F5.6 L IS USM:MILC
  • Lens structure (elements/groups)
    • RF400mm F2.8 L IS USM:17/13
    • RF800mm F5.6 L IS USM:26/18
  • Closest focusing distance
    • RF400mm F2.8 L IS USM:2.5 m
    • RF800mm F5.6 L IS USM:2.6 m
  • Minimum aperture number
    • RF400mm F2.8 L IS USM:32
    • RF800mm F5.6 L IS USM:64
  • Maximum magnification
    • RF400mm F2.8 L IS USM:0.17x
    • RF800mm F5.6 L IS USM:0.34x
  • Length
    • RF400mm F2.8 L IS USM:367 mm
    • RF800mm F5.6 L IS USM:432 mm
  • Weight
    • RF400mm F2.8 L IS USM:2.89 kg
    • RF800mm F5.6 L IS USM:3.14 kg

Side by side

Differences highlightedShow differences only (on)
Comparison of RF400mm F2.8 L IS USM, RF800mm F5.6 L IS USM
29 specifications
Lens system4 differ
Component forDiffersSLRMILC
Lens structure (elements/groups)Differs17/1326/18
Lens viewing angle, horizontalKnown for one5.3°Unknown — not stated by the source
Aperture range (F-F)Known for one2.8 - 32Unknown — not stated by the source
Lens viewing angle, verticalKnown for one3.3°Unknown — not stated by the source
Fixed focal lengthKnown for one400 mmUnknown — not stated by the source
Closest focusing distanceDiffers2.5 m2.6 m
Maximum aperture numberKnown for one2.8Unknown — not stated by the source
Minimum aperture numberDiffers3264
Zoom capabilityKnown for oneYesUnknown — not stated by the source
Image stabilizer number of stopsKnown for one5.5Unknown — not stated by the source
Lens mount interfaceKnown for oneUnknown — not stated by the sourceCanon RF
Performance1 differ
Auto focusKnown for oneYesUnknown — not stated by the source
Maximum magnificationDiffers0.17x0.34x
Designidentical
DustproofKnown for oneUnknown — not stated by the sourceYes
Technical detailsidentical
Viewing angleKnown for one6.1°Unknown — not stated by the source
Weight & dimensions2 differ
LengthDiffers367 mm432 mm
WeightDiffers2.89 kg3.14 kg
Packaging contentidentical
Lens cap includedKnown for oneYesUnknown — not stated by the source
Bag includedKnown for oneUnknown — not stated by the sourceYes

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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