The Canon EF-M 22mm f/2 STM is a 22 mm prime lens with a maximum aperture of f/2 for the Canon EF-M mount. Here are its field of view on different sensors, hyperfocal distances, Milky Way exposure limits and the cameras it fits.
Focal length
22 mm
Max aperture
f/2
Mount
Canon EF-M
Designed for
1.61× crop
Field of view by sensor
| Sensor | Diagonal angle of view | 35 mm equivalent |
|---|---|---|
| APS-C (1.5×) | 65.5° | 34 mm |
| Canon APS-C (1.6×) | 63.2° | 35 mm |
| Micro Four Thirds | 52.4° | 44 mm |
Hyperfocal distance
| Focal length | f/2.8 | f/5.6 | f/8 | f/11 | f/16 |
|---|---|---|---|---|---|
| 22 mm | 9.3 m | 4.7 m | 3.3 m | 2.4 m | 1.6 m |
Circle of confusion 0.019 mm (sensor size the lens is designed for).
Longest exposure for sharp stars
| Camera | NPF rule (wide open) | 500 rule |
|---|---|---|
| APS-C (24 MP) | 8.5 s @ f/2 | 14.9 s |
Cameras that fit (12)
- Canon EOS M
- Canon EOS M2
- Canon EOS M3
- Canon EOS M52016
- Canon EOS M6
- Canon EOS M6 Mark II2019
- Canon EOS M10
- Canon EOS M502018
- Canon EOS M50 Mark II2020
- Canon EOS KISS M
- Canon EOS M1002017
- Canon EOS M2002019
Where to buy
B&H PhotoAmazonKEH (used)MPB (used)FAQ
What is the Canon EF-M 22mm f/2 STM equivalent to on APS-C?
It is designed for a 1.61× sensor, giving a full-frame equivalent of 35 mm.
Which cameras is the Canon EF-M 22mm f/2 STM compatible with?
It fits Canon EOS M, Canon EOS M2, Canon EOS M3, Canon EOS M5, Canon EOS M6 and more (see the full list above).