Comparison of Canon EF 50mm f/2.5 Compact Macro and Sigma Macro 50mm f/2.8 EX DG [S]ave
| Attribute |  Sigma Macro 50mm f/2.8 EX DG × |  Canon EF 50mm f/2.5 Compact Macro × |
|---|---|---|
| Name | Sigma Macro 50mm f/2.8 EX DG | Canon EF 50mm f/2.5 Compact Macro |
| Weight (g) | 320 | 280 |
| Image Circle | 35mm | 35mm |
| Brand | Sigma | Canon |
| APS Equivalent | 1.5x: 75mm; 1.6x: 80mm | 80mm |
| Focal Length (mm) | 50.00 | 50.00 |
| Lens Construction | 10 elements in 9 groups | 9 elements in 8 groups |
| Diameter (mm) | 71.4 | 68 |
| Magnification Ratio (x) | 1 | 0.5 |
| Closest Focus (m) | 0.19 | 0.23 |
| Filter Size (mm) | 55 | 52 |
| Aperture (f) | 2.80 - 45.00 | 2.50 - 32.00 |
| Diagonal Angle of View (degree) | 46.80 | 46.00 |
| Type | Standard Prime Macro | Standard Prime Macro |
| Diaphragm Blades | 7 | 6 |
| Notes | Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax; Included Accessories: Lens Hood | - |
| Length (mm) | 66.5 | 63 |
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