Canon EF 40mm lens
The EF40mm f/2.8 STM was a standard prime lens which was introduced by Canon in June 2012, alongside the EOS 650D/Kiss X6i/Rebel T4i.[1] The lens features a maximum aperture of f/2.8. It was Canon's first EF pancake lens. The EF 40mm was the first EF lens equipped with a stepping motor (STM). It was discontinued in March 2021.[2]
 EF40mm f/2.8 STM pancake lens | |
| Maker | Canon |
|---|---|
| Technical data | |
| Type | Standard Prime lens |
| Focus drive | Stepping motor |
| Focal length | 40 mm |
| Aperture (max/min) | f/ 2.8 - f/ 22 |
| Close focus distance | 0.98 ft./0.30m |
| Max. magnification | 0.18x |
| Diaphragm blades | 7 |
| Construction | 6 elements in 4 groups |
| Features | |
| Short back focus |  No |
| Lens-based stabilization |  No |
| Macro capable | No |
| Unique features | Pancake lens |
| Application | video, general |
| Physical | |
| Max. length | 0.9 inch / 22.8mm |
| Diameter | 2.7 inch / 68.2mm |
| Weight | 4.6 oz. / 130g |
| Filter diameter | 52mm |
| Accessories | |
| Lens hood | ES-52 |
| Angle of view | |
| Horizontal | 49° |
| Vertical | 34° |
| Diagonal | 57° |
| History | |
| Introduction | 2012 |
| Discontinuation | 2021 |
| Retail info | |
| MSRP | $199 USD |
See also
References
- Technical data of the Canon EF 40mm STM
- Rumors, Canon (2021-03-30). "Canon EF 40mm f/2.8 STM officially discontinued". Canon Rumors - Your best source for Canon rumors, leaks and gossip. Retrieved 2021-04-07.
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