| Attribute | Value |
|---|---|
| Lens Construction | 13 elements in 11 groups, including 1 aspherical and 3 SLD elements |
| Diameter | 88.5 mm |
| Zoom System | Rotary |
| Diagonal Angle of View | 6.20 - 18.20 degree |
| Aperture | 4.50 - 32.00 f |
| Notes | Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax |
| Filter Size | 77 mm |
| Magnification Ratio | 0.19 x |
| Closest Focus | 2 m |
| Focus Details | Internal |
| Length | 183.5 mm |
| Diaphragm Blades | 9 |
| APS Equivalent | 1.5x: 202.5 - 600mm; 1.6x: 216 - 640mm |
| Focal Length | 135.00 - 400.00 mm |
| Image Circle | 35mm |
| Brand | Sigma |
| Name | Sigma APO 135-400mm f/4.5-5.6 Aspherical |
| Weight | 1245 g |
| Type | Telephoto Zoom |
| 35mm Equivalent | Add |
| Effective Reduction in Aperture | Add |
| Focal Length Multiplier | Add |
| APS-C Equivalent | Add |
| Diaphragm Blades Type | Add |
| Front Element Rotation | Add |