Comparison of Canon EF 50mm ƒ/1.8 STM and Olympus 50mm ƒ/1.8 OM Zuiko [S]ave
| Attribute |  Canon EF 50mm ƒ/1.8 STM × |  Olympus 50mm ƒ/1.8 OM Zuiko × |
|---|---|---|
| Filter Size (mm) | 49 | 49 |
| Closest Focus (m) | 0.35 | 0.45 |
| Magnification Ratio (x) | 0.21 | - |
| Length (mm) | 39.3 | 31 |
| Focus Details | STM stepper motor for smooth, near silent AF; full-time manual | - |
| Diaphragm Blades Type | circular | - |
| Diagonal Angle of View (degree) | 46.00 | 47.00 |
| Image Circle | 35mm | Image Circle |
| Focal Length (mm) | 50.00 | 50.00 |
| Name | Canon EF 50mm ƒ/1.8 STM | Olympus 50mm ƒ/1.8 OM Zuiko |
| Brand | Canon | Olympus |
| Weight (g) | 159 | 170 |
| Type | Standard Prime | Standard Prime |
| Lens Construction | 6 elements in 5 groups; Super Spectra Coating | 6 elements in 4 groups |
| Notes | Canon EF mount | Discontinued |
| APS Equivalent | 80mm | - |
| Aperture (f) | 1.80 - 22.00 | 1.80 - 16.00 |
| Diaphragm Blades | 7 | 6 |
| 35mm Equivalent | - | 50mm |
| Diameter (mm) | 69.2 | 59 |
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