| Name |
Canon EF 40mm ƒ/2.8 STM |
| Image Circle |
35mm |
| Type |
Wide Prime ("Pancake") |
| Focal Length |
40mm |
| APS Equivalent |
64mm |
| Max Aperture |
ƒ/2.8 |
| Min Aperture |
ƒ/22 |
| Diaphragm Blades |
7 (circular) |
| Lens Construction |
6 elements in 4 groups, including 1 aspherical element |
| Diagonal Angle of View(Based on image circle) |
57 degrees |
| Focus Details |
AF/MF with STM (Stepping Motor Technology) |
| Front Element Rotation |
|
| Zoom System |
n/a |
| Closest Focus |
0.3m / 1.0 ft. |
| Magnification Ratio |
0.18x / 1:5.6 |
| Filter Size |
52mm |
| Dimensions(Length x Diameter) |
22.8mm x 68.2mm / 0.90 in. x 2.69 in. |
| Weight |
130g / 4.6 oz |
| Notes |
Optional lens hood: ES-52 |
| Typical Online Price |
US$200 |
