Comparison of Sigma APO Macro 150mm f/2.8 EX DG HSM and Sigma APO Macro 180mm f/3.5 EX DG IF HSM [S]ave
| Attribute |  Sigma APO Macro 180mm f/3.5 EX DG IF HSM × |  Sigma APO Macro 150mm f/2.8 EX DG HSM × |
|---|---|---|
| Aperture (f) | 3.50 - 32.00 | 2.80 - 22.00 |
| Filter Size (mm) | 72 | 72 |
| Notes | Available AF Mounts: [HSM version]: Sigma, Canon, Nikon; [w/o HSM]: Minolta, Pentax | Available AF Mounts: Sigma, Canon, Nikon, Four-Thirds |
| Closest Focus (m) | 0.46 | 0.38 |
| Magnification Ratio (x) | 1 | 1 |
| Type | Telephoto Prime Macro | Telephoto Prime Macro |
| Focus Details | Internal with focus limiter; HSM with full-time manual focus override | Internal; HSM with full-time manual focus override |
| APS Equivalent | 1.5x: 270mm; 1.6x: 288mm | 1.5x: 225mm; 1.6x: 240mm |
| Diaphragm Blades | 9 | 9 |
| Image Circle | 35mm | 35mm |
| Focal Length (mm) | 180.00 | 150.00 |
| Brand | Sigma | Sigma |
| Name | Sigma APO Macro 180mm f/3.5 EX DG IF HSM | Sigma APO Macro 150mm f/2.8 EX DG HSM |
| Weight (g) | 965 | 895 |
| Diagonal Angle of View (degree) | 13.70 | 16.40 |
| Length (mm) | 182 | 137 |
| Diameter (mm) | 80 | 79.6 |
| Lens Construction | 13 elements in 10 groups, including 2 SLD elements | 16 elements in 12 groups, including 2 SLD elements |
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