Comparison of Canon EF 20mm f/2.8 USM and Sony FE 20mm f/1.8 G [S]ave
| Attribute |  Sony FE 20mm f/1.8 G × |  Canon EF 20mm f/2.8 USM × |
|---|---|---|
| Filter Size (mm) | 67 | 72 |
| Aperture (f) | 1.80 - 22.00 | 2.80 - 22.00 |
| Closest Focus (m) | 0.19 | 0.25 |
| Magnification Ratio (x) | 0.2 | 0.14 |
| Type | Ultra-wide angle prime | Wide Prime |
| Focus Details | Internal focus with wo XD (eXtreme Dynamic) Linear Motors; AF/MF switch; Customizable Focus-hold button | Inner focusing; full-time manual focus and USM |
| APS Equivalent | 30mm | 32mm |
| Notes | Dust- and moisture-resistant construction; manual aperture ring with de-click toggle switch | - |
| Image Circle | 35mm | 35mm |
| Focal Length (mm) | 20.00 | 20.00 |
| Brand | Sony | Canon |
| Name | Sony FE 20mm f/1.8 G | Canon EF 20mm f/2.8 USM |
| Weight (g) | 373 | 405 |
| Diagonal Angle of View (degree) | 94.00 | 94.00 |
| Diaphragm Blades | 9 | 6 |
| Diameter (mm) | 73.5 | 71 |
| Length (mm) | 84.7 | 77 |
| Diaphragm Blades Type | rounded | - |
| Lens Construction | 14 elements in 12 groups, including 2 AA (advanced aspherical) elements and three ED (Extra-low Dispersion) glass elements; Nano AR Coating | 11 elements in 9 groups |
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