Comparison of Canon EF 50mm f/1.8 II and Canon EF 50mm ƒ/1.8 STM [S]ave
| Attribute |  Canon EF 50mm ƒ/1.8 STM × |  Canon EF 50mm f/1.8 II × |
|---|---|---|
| Filter Size (mm) | 49 | 52 |
| Notes | Canon EF mount | Canon EF mount (plastic) |
| Closest Focus (m) | 0.35 | 0.45 |
| Magnification Ratio (x) | 0.21 | 0.15 |
| Type | Standard Prime | Standard Prime |
| Focus Details | STM stepper motor for smooth, near silent AF; full-time manual | Linear extension system with Micromotor |
| APS Equivalent | 80mm | 80mm |
| Diameter (mm) | 69.2 | 68 |
| Image Circle | 35mm | 35mm |
| Focal Length (mm) | 50.00 | 50.00 |
| Brand | Canon | Canon |
| Name | Canon EF 50mm ƒ/1.8 STM | Canon EF 50mm f/1.8 II |
| Weight (g) | 159 | 130 |
| Aperture (f) | 1.80 - 22.00 | 1.80 - 22.00 |
| Diaphragm Blades | 7 | 5 |
| Diagonal Angle of View (degree) | 46.00 | 46.00 |
| Length (mm) | 39.3 | 41 |
| Diaphragm Blades Type | circular | - |
| Lens Construction | 6 elements in 5 groups; Super Spectra Coating | 6 elements in 5 groups |
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