Product comparison · 2 lenses

Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE vs Canon RF-S18-45mm F4.5-6.3 IS STM

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  • 19specifications compared
  • 12differ
  • 7identical
  • 25known for one product only

Key differences

The Canon RF-S18-45mm F4.5-6.3 IS STM has 1 more maximum aperture number than the Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE (4.5 vs 3.5). The Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE has 9.7 more minimum aperture number than the Canon RF-S18-45mm F4.5-6.3 IS STM (16 vs 6.3). The Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE has 4.3 cm more diameter than the Canon RF-S18-45mm F4.5-6.3 IS STM (11.2 cm vs 6.9 cm). Lens structure (elements/groups): 11/8 on the Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE, 7/7 on the Canon RF-S18-45mm F4.5-6.3 IS STM. Lens type: Wide fish-eye lens on the Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE, Standard zoom lens on the Canon RF-S18-45mm F4.5-6.3 IS STM.

  • Lens structure (elements/groups)
    • RF-S 3.9mm F3.5 STM DUAL FISHEYE:11/8
    • RF-S18-45mm F4.5-6.3 IS STM:7/7
  • Lens type
    • RF-S 3.9mm F3.5 STM DUAL FISHEYE:Wide fish-eye lens
    • RF-S18-45mm F4.5-6.3 IS STM:Standard zoom lens
  • Lens viewing angle, horizontal
    • RF-S 3.9mm F3.5 STM DUAL FISHEYE:144°
    • RF-S18-45mm F4.5-6.3 IS STM:64° 30'- 28° 20'
  • Lens viewing angle, vertical
    • RF-S 3.9mm F3.5 STM DUAL FISHEYE:144°
    • RF-S18-45mm F4.5-6.3 IS STM:45° 30' - 19° 05'
  • Lens viewing angle, diagonal
    • RF-S 3.9mm F3.5 STM DUAL FISHEYE:144°
    • RF-S18-45mm F4.5-6.3 IS STM:74° 20'- 33° 40'
  • Maximum aperture number
    • RF-S 3.9mm F3.5 STM DUAL FISHEYE:3.5
    • RF-S18-45mm F4.5-6.3 IS STM:4.5
  • Minimum aperture number
    • RF-S 3.9mm F3.5 STM DUAL FISHEYE:16
    • RF-S18-45mm F4.5-6.3 IS STM:6.3
  • Lens coating features
    • RF-S 3.9mm F3.5 STM DUAL FISHEYE:Air Sphere Coating (ASC)
    • RF-S18-45mm F4.5-6.3 IS STM:Super Spectra Coating (SSC)

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Comparison of RF-S 3.9mm F3.5 STM DUAL FISHEYE, RF-S18-45mm F4.5-6.3 IS STM
44 specifications
Lens system7 differ
Component forMILCMILC
Lens structure (elements/groups)Differs11/87/7
Lens typeDiffersWide fish-eye lensStandard zoom lens
Lens viewing angle, horizontalDiffers144°64° 30'- 28° 20'
Lens viewing angle, verticalDiffers144°45° 30' - 19° 05'
Lens viewing angle, diagonalDiffers144°74° 20'- 33° 40'
Focal length rangeKnown for oneUnknown — not stated by the source18 - 45 mm
Image sensor formatAPS-CAPS-C
Lens mount interfaceCanon RFCanon RF
Maximum aperture numberDiffers3.54.5
Maximum focal length (35mm film equiv)Known for oneUnknown — not stated by the source72 mm
Minimum aperture numberDiffers166.3
Minimum focal length (35mm film equiv)Known for oneUnknown — not stated by the source29 mm
Zoom capabilityKnown for oneUnknown — not stated by the sourceYes
Image stabilizerKnown for oneUnknown — not stated by the sourceYes
Closest focusing distanceKnown for one0.2 mUnknown — not stated by the source
Control ringKnown for oneYesUnknown — not stated by the source
Number of diaphragm bladesKnown for one7Unknown — not stated by the source
Performance1 differ
Auto focusKnown for oneUnknown — not stated by the sourceYes
Camera brands compatibilityCanonCanon
Lens coating featuresDiffersAir Sphere Coating (ASC)Super Spectra Coating (SSC)
Lens hoodKnown for oneUnknown — not stated by the sourceYes
Lens hood modelKnown for oneUnknown — not stated by the sourceEW-53
AF actuatorKnown for oneSTMUnknown — not stated by the source
CompatibilityKnown for oneEOS R7Unknown — not stated by the source
Maximum magnificationKnown for one0.03xUnknown — not stated by the source
Number of Ultra-low Dispersion (UD) elementsKnown for one2Unknown — not stated by the source
Designidentical
Product colourBlackBlack
DustproofKnown for oneNoUnknown — not stated by the source
Moisture-resistantKnown for oneNoUnknown — not stated by the source
Logistics dataidentical
Country of originKnown for oneUnknown — not stated by the sourceJapan
Quantity per packKnown for oneUnknown — not stated by the source1 pc(s)
Weight & dimensions4 differ
DiameterDiffers11.2 cm6.9 cm
Filter sizeDiffers30.5 mm49 mm
LengthDiffers54.6 mm44.3 mm
WeightDiffers290 g130 g
Extended lengthKnown for one8.37 cmUnknown — not stated by the source
Packaging dataidentical
Package depthKnown for oneUnknown — not stated by the source150 mm
Package heightKnown for oneUnknown — not stated by the source100 mm
Package weightKnown for oneUnknown — not stated by the source200 g
Package widthKnown for oneUnknown — not stated by the source150 mm
Packaging contentidentical
Lens cap includedYesYes
Lens cap modelKnown for oneUnknown — not stated by the sourceE-49
Rear lens cap includedYesYes

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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