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Product comparison · 2 lenses

Canon RF 28 mm f2.8 STM vs Canon RF-S 7.8 mm F4 STM Dual

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  • 36specifications compared
  • 19differ
  • 17identical
  • 16known for one product only

Key differences

The Canon RF 28 mm f2.8 STM has 2° more lens viewing angle, horizontal than the Canon RF-S 7.8 mm F4 STM Dual (65° vs 63°). The Canon RF-S 7.8 mm F4 STM Dual has 17° more lens viewing angle, vertical than the Canon RF 28 mm f2.8 STM (63° vs 46°). The Canon RF 28 mm f2.8 STM has 12° more lens viewing angle, diagonal than the Canon RF-S 7.8 mm F4 STM Dual (75° vs 63°). Only the Canon RF 28 mm f2.8 STM has zoom capability. Lens structure (elements/groups): 8/6 on the Canon RF 28 mm f2.8 STM, 9/7 on the Canon RF-S 7.8 mm F4 STM Dual.

  • Lens structure (elements/groups)
    • 8/6
    • 9/7
  • Lens type
    • Wide zoom lens
    • Stereoscopic lens
  • Lens viewing angle, horizontal
    • 65°
    • 63°
  • Lens viewing angle, vertical
    • 46°
    • 63°
  • Lens viewing angle, diagonal
    • 75°
    • 63°
  • Closest focusing distance
    • 0.23 m
    • 0.15 m
  • Image sensor format
    • Full frame
    • APS-C
  • Maximum aperture number
    • 2.8
    • 4

Side by side

Differences highlightedShow differences only
52 specifications
A

Canon

RF 28 mm f2.8 STMView product
B

Canon

RF-S 7.8 mm F4 STM DualView product
Lens system10 differ
Component forMILCMILC
Lens structure (elements/groups)Differs8/69/7
Lens typeDiffersWide zoom lensStereoscopic lens
Lens viewing angle, horizontalDiffers65°63°
Focus adjustmentAuto/ManualAuto/Manual
Lens viewing angle, verticalDiffers46°63°
Lens viewing angle, diagonalDiffers75°63°
Focal length rangeKnown for one28 - 28 mm
Closest focusing distanceDiffers0.23 m0.15 m
Control ringYesYes
Image sensor formatDiffersFull frameAPS-C
Lens mount interfaceCanon RFCanon RF
Maximum aperture numberDiffers2.84
Minimum aperture numberDiffers2216
Number of diaphragm blades77
Teleconverter/Extender compatibleKnown for oneNo
Zoom capabilityDiffersYesNo
Image stabilizerKnown for oneNo
Fixed focal lengthKnown for one7.8 mm
Performance1 differ
AF actuatorDiffersSTSTM
Auto focusYesYes
Camera brands compatibilityCanonCanon
Circular apertureKnown for oneYes
Lens coating featuresSuper Spectra Coating (SSC)Super Spectra Coating (SSC)
Lens colourKnown for oneBlack
Manual focusYesYes
Lens hoodKnown for oneNo
Lens hood modelKnown for oneEW-55
Maximum magnificationKnown for one0.07x
Designidentical
Product colourBlackBlack
Mounting typeBayonetBayonet
DustproofNoNo
WeatherproofKnown for oneNo
Moisture-resistantKnown for oneNo
Logistics dataidentical
Country of originKnown for oneJapan
Quantity per packKnown for one1 pc(s)
Layers per pallet5 pc(s)5 pc(s)
Master (outer) cases per pallet layerKnown for one8 pc(s)
Weight & dimensions3 differ
Diameter6.92 cm6.92 cm
Filter sizeDiffers55 mm58 mm
LengthDiffers24.7 mm41.5 mm
WeightDiffers120 g130 g
Packaging data4 differ
Package depthDiffers150 mm110 mm
Package heightDiffers100 mm132 mm
Package weightDiffers200 g272 g
Package widthDiffers150 mm110 mm
Package typeKnown for oneBox
Packaging content1 differ
Lens cap includedYesYes
Lens cap modelDiffersE-55E-58II
Rear lens cap includedYesYes
Rear lens cap modelRFRF
User guideKnown 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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