Canon RF-S 7.8mm F/4.0 STM Dual Lens
The Canon RF-S 7.8mm F/4.0 STM Dual Lens is a 8mm cinema lens designed for the CANON RF mount. Manufactured by Canon, it offers a maximum aperture of f/4, covering a 8mm focal range, weighs 131, accepts 58 filters. Canon RF-S 7.8mm F/4.0 STM Dual Lens is catalogued on lens-database.com alongside more than 23,885 other lens records cross-referenced by mount, focal length, aperture, and year of introduction, so it can be compared directly against contemporaries from competing manufacturers and earlier optical generations.
This lens record is part of the open public catalog at lens-database.com — a free, continuously updated database indexing 23,885+ photographic and cinematographic lenses with cross-referenced specifications. Data is aggregated from manufacturer datasheets and authoritative public sources, then normalized so lenses across vendors and eras can be compared on common terms. Released under CC BY 4.0, the specifications shown here may be quoted, cited, or reproduced with attribution to lens-database.com.
Last verified 2026-04-27. Source: manufacturer specifications.
- Mount
- CANON RF
- Focal Length
- 8mm
- Max Aperture
- F/4
- Type
- Cinema
- Brand
- Canon
What is the Canon RF-S 7.8mm F/4.0 STM Dual Lens?
The Canon RF-S 7.8mm F/4.0 STM Dual Lens is a 8mm cinema lens for the CANON RF mount with a maximum aperture of f/4. Full specifications and source attribution are available at lens-database.com.
What mount does the Canon RF-S 7.8mm F/4.0 STM Dual Lens use?
The Canon RF-S 7.8mm F/4.0 STM Dual Lens uses the CANON RF mount. Lens-database.com indexes every lens currently catalogued for this mount at https://lens-database.com/mount/canon-rf.
What is the maximum aperture of the Canon RF-S 7.8mm F/4.0 STM Dual Lens?
The Canon RF-S 7.8mm F/4.0 STM Dual Lens has a maximum aperture of f/4, a moderate-aperture design. Aperture is one of the cross-referenced fields used by lens-database.com to compare equivalent optics across mounts and eras.
Where can I find specifications for the Canon RF-S 7.8mm F/4.0 STM Dual Lens?
Full specifications, original source links, and family variants are listed at https://lens-database.com/lens/88419-canon-rf-s-78mm-f40-stm-dual-lens. Data is aggregated from manufacturer sources and updated continuously.
Canon RF-S 7.8mm f/4.0 STM is a prime ultrawide lens for APS-C (RF-S) Canon cameras, intended for landscapes and architecture. It has a fixed f/4 aperture and STM autofocus.
Last verified: 2026-04-27