Product comparison · 2 lenses

Canon RF 50mm f/1.8 STM vs Canon RF-S 7.8 mm F4 STM Dual

15specifications compared
10differ
5identical
28known for one product only

Key differences

The Canon RF 50mm f/1.8 STM has 42.2 mm more fixed focal length than the Canon RF-S 7.8 mm F4 STM Dual (50 mm vs 7.8 mm). The Canon RF 50mm f/1.8 STM has 0.15 m more closest focusing distance than the Canon RF-S 7.8 mm F4 STM Dual (0.3 m vs 0.15 m). The Canon RF-S 7.8 mm F4 STM Dual has 2.2 more maximum aperture number than the Canon RF 50mm f/1.8 STM (4 vs 1.8). Component for: SLR on the Canon RF 50mm f/1.8 STM, MILC on the Canon RF-S 7.8 mm F4 STM Dual. Lens structure (elements/groups): 6/5 on the Canon RF 50mm f/1.8 STM, 9/7 on the Canon RF-S 7.8 mm F4 STM Dual.

Component for
- RF 50mm f/1.8 STM:SLR
- RF-S 7.8 mm F4 STM Dual:MILC
Lens structure (elements/groups)
- RF 50mm f/1.8 STM:6/5
- RF-S 7.8 mm F4 STM Dual:9/7
Fixed focal length
- RF 50mm f/1.8 STM:50 mm
- RF-S 7.8 mm F4 STM Dual:7.8 mm
Closest focusing distance
- RF 50mm f/1.8 STM:0.3 m
- RF-S 7.8 mm F4 STM Dual:0.15 m
Maximum aperture number
- RF 50mm f/1.8 STM:1.8
- RF-S 7.8 mm F4 STM Dual:4
Minimum aperture number
- RF 50mm f/1.8 STM:22
- RF-S 7.8 mm F4 STM Dual:16
Maximum magnification
- RF 50mm f/1.8 STM:0.25x
- RF-S 7.8 mm F4 STM Dual:0.07x
Filter size
- RF 50mm f/1.8 STM:43 mm
- RF-S 7.8 mm F4 STM Dual:58 mm

Side by side

Differences highlightedShow differences only

Comparison of RF 50mm f/1.8 STM, RF-S 7.8 mm F4 STM Dual
43 specifications	A Canon RF 50mm f/1.8 STM View product	B Canon RF-S 7.8 mm F4 STM Dual View product
Lens system6 differ
Component forDiffers	SLR	MILC
Lens structure (elements/groups)Differs	6/5	9/7
Lens typeKnown for one	Unknown — not stated by the source	Stereoscopic lens
Lens viewing angle, horizontalKnown for one	Unknown — not stated by the source	63°
Focus adjustmentKnown for one	Unknown — not stated by the source	Auto/Manual
Lens viewing angle, verticalKnown for one	Unknown — not stated by the source	63°
Fixed focal lengthDiffers	50 mm	7.8 mm
Lens viewing angle, diagonalKnown for one	Unknown — not stated by the source	63°
Closest focusing distanceDiffers	0.3 m	0.15 m
Control ringKnown for one	Unknown — not stated by the source	Yes
Image sensor formatKnown for one	Unknown — not stated by the source	APS-C
Lens mount interface	Canon RF	Canon RF
Maximum aperture numberDiffers	1.8	4
Minimum aperture numberDiffers	22	16
Number of diaphragm blades	7	7
Zoom capabilityKnown for one	Unknown — not stated by the source	No
Number of aspheric elementsKnown for one	1	Unknown — not stated by the source
Image stabilizerKnown for one	Yes	Unknown — not stated by the source
Image stabilizer number of stopsKnown for one	7	Unknown — not stated by the source
Performance1 differ
AF actuatorKnown for one	Unknown — not stated by the source	STM
Auto focusKnown for one	Unknown — not stated by the source	Yes
Camera brands compatibility	Canon	Canon
Lens coating featuresKnown for one	Unknown — not stated by the source	Super Spectra Coating (SSC)
Manual focusKnown for one	Unknown — not stated by the source	Yes
Maximum magnificationDiffers	0.25x	0.07x
Designidentical
Product colour	Black	Black
Mounting typeKnown for one	Unknown — not stated by the source	Bayonet
DustproofKnown for one	Unknown — not stated by the source	No
Moisture-resistantKnown for one	Unknown — not stated by the source	No
Logistics dataidentical
Layers per palletKnown for one	Unknown — not stated by the source	5 pc(s)
Weight & dimensions3 differ
Diameter	6.92 cm	6.92 cm
Filter sizeDiffers	43 mm	58 mm
LengthDiffers	40.5 mm	41.5 mm
WeightDiffers	160 g	130 g
Packaging dataidentical
Package depthKnown for one	Unknown — not stated by the source	110 mm
Package heightKnown for one	Unknown — not stated by the source	132 mm
Package weightKnown for one	Unknown — not stated by the source	272 g
Package widthKnown for one	Unknown — not stated by the source	110 mm
Packaging contentidentical
Lens cap includedKnown for one	Unknown — not stated by the source	Yes
Lens cap modelKnown for one	Unknown — not stated by the source	E-58II
Rear lens cap includedKnown for one	Unknown — not stated by the source	Yes
Rear lens cap modelKnown for one	Unknown — not stated by the source	RF
Technical detailsidentical
Viewing angleKnown for one	46°	Unknown — 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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