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Product comparison · 2 lenses

Canon RF-S 7.8 mm F4 STM Dual vs Canon RF28mm F2.8 STM

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

Key differences

The Canon RF28mm 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 RF28mm F2.8 STM (63° vs 46°). The Canon RF28mm 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 RF28mm F2.8 STM has zoom capability. Lens structure (elements/groups): 9/7 on the Canon RF-S 7.8 mm F4 STM Dual, 8/6 on the Canon RF28mm F2.8 STM.

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

Side by side

Differences highlightedShow differences only
52 specifications
A

Canon

RF-S 7.8 mm F4 STM DualView product
B

Canon

RF28mm F2.8 STMView product
Lens system10 differ
Component forMILCMILC
Lens structure (elements/groups)Differs9/78/6
Lens typeDiffersStereoscopic lensWide zoom lens
Lens viewing angle, horizontalDiffers63°65°
Focus adjustmentAuto/ManualAuto/Manual
Lens viewing angle, verticalDiffers63°46°
Lens viewing angle, diagonalDiffers63°75°
Focal length rangeKnown for one28 - 28 mm
Closest focusing distanceDiffers0.15 m0.23 m
Control ringYesYes
Image sensor formatDiffersAPS-CFull frame
Lens mount interfaceCanon RFCanon RF
Maximum aperture numberDiffers42.8
Minimum aperture numberDiffers1622
Number of diaphragm blades77
Teleconverter/Extender compatibleKnown for oneNo
Zoom capabilityDiffersNoYes
Image stabilizerKnown for oneNo
Fixed focal lengthKnown for one7.8 mm
Performance1 differ
AF actuatorDiffersSTMST
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 sizeDiffers58 mm55 mm
LengthDiffers41.5 mm24.7 mm
WeightDiffers130 g120 g
Packaging data4 differ
Package depthDiffers110 mm150 mm
Package heightDiffers132 mm100 mm
Package weightDiffers272 g200 g
Package widthDiffers110 mm150 mm
Package typeKnown for oneBox
Packaging content1 differ
Lens cap includedYesYes
Lens cap modelDiffersE-58IIE-55
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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