Product comparison · 2 lenses

Canon RF 800mm F5.6 L IS USM vs Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE

16specifications compared
13differ
3identical
16known for one product only

Key differences

The Canon RF 800mm F5.6 L IS USM has 2.4 m more closest focusing distance than the Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE (2.6 m vs 0.2 m). The Canon RF 800mm F5.6 L IS USM has 48 more minimum aperture number than the Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE (64 vs 16). The Canon RF 800mm F5.6 L IS USM has 2 more diaphragm blades than the Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE (9 vs 7). Only the Canon RF 800mm F5.6 L IS USM has dustproof. Lens structure (elements/groups): 26/18 on the Canon RF 800mm F5.6 L IS USM, 11/8 on the Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE.

Lens structure (elements/groups)
- RF 800mm F5.6 L IS USM:26/18
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:11/8
Lens type
- RF 800mm F5.6 L IS USM:Super telephoto lens
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:Wide fish-eye lens
Closest focusing distance
- RF 800mm F5.6 L IS USM:2.6 m
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:0.2 m
Minimum aperture number
- RF 800mm F5.6 L IS USM:64
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:16
Number of diaphragm blades
- RF 800mm F5.6 L IS USM:9
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:7
Maximum magnification
- RF 800mm F5.6 L IS USM:0.34x
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:0.03x
Product colour
- RF 800mm F5.6 L IS USM:Black, White
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:Black
Dustproof
- RF 800mm F5.6 L IS USM:Yes
- RF-S 3.9mm F3.5 STM DUAL FISHEYE:No

Side by side

Differences highlightedShow differences only

Comparison of RF 800mm F5.6 L IS USM, RF-S 3.9mm F3.5 STM DUAL FISHEYE
32 specifications	A Canon RF 800mm F5.6 L IS USM View product	B Canon RF-S 3.9mm F3.5 STM DUAL FISHEYE View product
Lens system5 differ
Component for	MILC	MILC
Lens structure (elements/groups)Differs	26/18	11/8
Lens typeDiffers	Super telephoto lens	Wide fish-eye lens
Lens viewing angle, horizontalKnown for one	Unknown — not stated by the source	144°
Lens viewing angle, verticalKnown for one	Unknown — not stated by the source	144°
Lens viewing angle, diagonalKnown for one	Unknown — not stated by the source	144°
Closest focusing distanceDiffers	2.6 m	0.2 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 numberKnown for one	Unknown — not stated by the source	3.5
Minimum aperture numberDiffers	64	16
Number of diaphragm bladesDiffers	9	7
Image stabilizerKnown for one	Yes	Unknown — not stated by the source
Performance2 differ
AF actuatorKnown for one	Unknown — not stated by the source	STM
Camera brands compatibility	Canon	Canon
CompatibilityKnown for one	Unknown — not stated by the source	EOS R7
Lens coating featuresDiffers	Air Sphere Coating (ASC), Super Spectra Coating (SSC)	Air Sphere Coating (ASC)
Maximum magnificationDiffers	0.34x	0.03x
Number of Ultra-low Dispersion (UD) elementsKnown for one	Unknown — not stated by the source	2
Ultrasonic motor (USM)Known for one	Yes	Unknown — not stated by the source
Design2 differ
Product colourDiffers	Black, White	Black
DustproofDiffers	Yes	No
Moisture-resistantKnown for one	Unknown — not stated by the source	No
Weight & dimensions4 differ
DiameterDiffers	16.3 cm	11.2 cm
Filter sizeDiffers	52 mm	30.5 mm
LengthDiffers	432 mm	54.6 mm
Extended lengthKnown for one	Unknown — not stated by the source	8.37 cm
WeightDiffers	3.14 kg	290 g
Packaging contentidentical
Lens cap includedKnown for one	Unknown — not stated by the source	Yes
Rear lens cap includedKnown for one	Unknown — not stated by the source	Yes
Bag includedKnown for one	Yes	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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