Comparison of Sigma Macro 50mm f/2.8 EX DG and Sony SAL-50M28 50mm f/2.8 Macro [S]ave
| Attribute |  Sigma Macro 50mm f/2.8 EX DG × |  Sony SAL-50M28 50mm f/2.8 Macro × |
|---|---|---|
| Diagonal Angle of View (degree) | 46.80 | 47.00 |
| Notes | Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax; Included Accessories: Lens Hood | - |
| Aperture (f) | 2.80 - 45.00 | 2.80 - 32.00 |
| Magnification Ratio (x) | 1 | 1 |
| Filter Size (mm) | 55 | 55 |
| Type | Standard Prime Macro | Standard Prime Macro |
| Closest Focus (m) | 0.19 | 0.2 |
| APS Equivalent | 1.5x: 75mm; 1.6x: 80mm | 75mm |
| Diaphragm Blades | 7 | 7 |
| Image Circle | 35mm | 35mm |
| Focal Length (mm) | 50.00 | 50.00 |
| Brand | Sigma | Sony |
| Name | Sigma Macro 50mm f/2.8 EX DG | Sony SAL-50M28 50mm f/2.8 Macro |
| Weight (g) | 320 | 295 |
| Diameter (mm) | 71.4 | 71 |
| Length (mm) | 66.5 | 60 |
| Focus Details | - | Auto Clutch; Focus Hold button; Focus Range limiter |
| Lens Construction | 10 elements in 9 groups | 7 elements in 6 groups |
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