Comparison of Canon EF 180mm f/3.5L Macro USM and Sigma APO Macro 150mm f/2.8 EX DG HSM [S]ave
| Attribute |  Canon EF 180mm f/3.5L Macro USM × |  Sigma APO Macro 150mm f/2.8 EX DG HSM × |
|---|---|---|
| Diagonal Angle of View (degree) | 13.50 | 16.40 |
| Filter Size (mm) | 72 | 72 |
| Aperture (f) | 3.50 - 32.00 | 2.80 - 22.00 |
| Closest Focus (m) | 0.48 | 0.38 |
| Magnification Ratio (x) | 1 | 1 |
| Type | Telephoto Prime Macro | Telephoto Prime Macro |
| Focus Details | Inner focusing; full-time manual focus and USM | Internal; HSM with full-time manual focus override |
| APS Equivalent | 288mm | 1.5x: 225mm; 1.6x: 240mm |
| Diaphragm Blades | 8 | 9 |
| Image Circle | 35mm | 35mm |
| Focal Length (mm) | 180.00 | 150.00 |
| Brand | Canon | Sigma |
| Name | Canon EF 180mm f/3.5L Macro USM | Sigma APO Macro 150mm f/2.8 EX DG HSM |
| Weight (g) | 1090 | 895 |
| Diameter (mm) | 82 | 79.6 |
| Length (mm) | 187 | 137 |
| Notes | - | Available AF Mounts: Sigma, Canon, Nikon, Four-Thirds |
| Lens Construction | 14 elements in 12 groups, including 3 UD elements | 16 elements in 12 groups, including 2 SLD elements |
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