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Canon RF-S 7.8mm F4 STM Dual
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Canon · 7.8 mm · f/4 · Canon RF-S mount · APS-C

Canon RF-S 7.8mm F4 STM Dual

KEY FACTS
BrandCanon
Announcement dateOct 2024
Released2024
Production started2024
Production statusIn Production
What We Like
+Sharp image quality throughout the image circle at f/4 with excellent optical design
+Dual STM autofocus system operates smoothly and quietly with good AF speed
+Extremely compact and lightweight at 130g, ideal for handheld VR shooting
+Affordable entry point for stereoscopic 3D content creation compared to professional alternatives
+11.8mm baseline length mimics human eye spacing for natural parallax and immersive VR effects
+Works seamlessly with Apple Vision Pro and Meta Quest 3 for 3D/spatial content playback
Worth Knowing
−No optical image stabilization; relies on camera body IBIS for stabilization
−Currently limited camera compatibility (primarily EOS R7, with R50 V support)
−No weather sealing, limiting outdoor durability in challenging conditions
−Servo autofocus not supported; focusing must be completed before recording starts

General

Brand
Canon
Announcement date
ⓘ
Refers to the date the manufacturer publicly announced the upcoming release and general specs of this camera.
Oct 2024
Released
ⓘ
Refers to the year this camera was officially made available for sale.
2024
Production started
2024
Production status
ⓘ
Current status of lens manufacturing (e.g., in production, discontinued).
In Production
Read our notes on general
The Canon RF-S 7.8mm F4 STM Dual Lens provides stereoscopic 3D dual image capture to a single imaging sensor, creating a unique still image or movie for use in VR content. This APS-C optical design enables a more compact overall size and reduces the cost to less than half that of the RF-S 3.9, making it even more accessible. The Canon RF-S 7.8mm F4 STM Dual Lens meets sharpness requirements, with real-world testing proving this lens is sharp throughout the image circle at f/4. This lens represents Canon's innovative approach to democratizing 3D content creation, bringing professional-level 3D capture capabilities to Canon's APS-C mirrorless system with a focus on simplicity and accessibility.

Optical

Min Aperture
f/16
Field of View
63°
Lens Construction
9 elements in 7 groups
Special Elements
2 UD (Ultra Low Dispersion) elements
AF Type
Dual STM (Stepping Motor)
Coatings
Super Spectra, Fluorine

Design

Baseline Length
11.8mm
Maximum Magnification
0.07x
Control Ring
Combined focus/control

Build

Extender Compatibility
Not compatible
Included Accessories
E-58II Lens Cap, Lens Dust Cap RF, Lens Case LP1014

Format

Image Size
APS-C
Output Formats
Spatial, 3D 180°, 3D Theater, 3D

Optics

Min focal length
7.8 mm
Max focal length
7.8 mm
Focal range
ⓘ
Shortest to longest focal length of the lens (zoom range start - end )
7.8 mm
Zoom lens
ⓘ
Zoom allows you to vary the focal length, change between long shots and close-ups
No
Max aperture wide
4
Max aperture zoom
4
Autofocus mode
Yes
Closest focusing distance
ⓘ
Minimum distance for a subject to be in focus.
15 cm01500
Blades
ⓘ
Number of diaphragm blades in aperture
7020

Physical

Lens mount
ⓘ
The lens mount will tell you what type of lens range you can fit onto the camera body. Often the same camera company will have different lens ranges for different cameras.
Canon RF-S
Front filter size
ⓘ
Diameter of attachable filters.
58 mm
Lens diameter
ⓘ
Width of the lens at its widest point
69.2 mm
Lens length
ⓘ
How long the lens is from front to back.
41.5 mm
Lens weight
130 g
Maximum format
ⓘ
Largest sensor size compatible with the lens.
APS-C

Features

Weather sealing
ⓘ
Weather sealing capabilities will give you more confidence when shooting in unfavourable conditions.
No