The Canon RF 16mm f/2.8 STM is an ultra-wide-angle prime lens that balances a fast aperture with an incredibly compact 'pancake' style form factor, making it a staple for the RF mount system.
| Focal Length | 16mm |
| Maximum Aperture | f/2.8 |
| Minimum Aperture | f/22 |
| Lens Mount | Canon RF |
| Minimum Focus Distance | 5.1" / 13 cm |
| Maximum Magnification | 0.26x |
| Diaphragm Blades | 7, Rounded |
| Filter Size | 43 mm (Front) |
| Weight | 5.8 oz / 165 g |
| Dimensions | 2.7 x 1.6" / 69.2 x 40.2 mm |
No, the RF 16mm f/2.8 STM does not have official weather sealing. It is advised to use protection when shooting in rain or heavy dust.
The lens does not have built-in optical stabilization, but it works seamlessly with the In-Body Image Stabilization (IBIS) found in cameras like the EOS R5 and R6.
No, this is an RF mount lens designed specifically for mirrorless EOS R cameras. It cannot be adapted to EF-mount DSLRs like the 5D or 90D.
When used on APS-C sensors like the EOS R7 or R10, it provides a 25.6mm equivalent focal length, which is still a versatile wide-angle.