| Attribute | Value |
|---|---|
| Length | 48.9 mm |
| Type | Teleconverter |
| Weight | 290 g |
| Name | Sigma TC-2001 2X Teleconverter |
| Brand | Sigma |
| Image Circle | 35mm |
| Lens Construction | 10 elements in 5 groups, including 2 SLD elements |
| Magnification Ratio | 2 x |
| Notes | Dust and splash-proof; Available AF Mounts: Canon EF, Nikon F, Sigma SA |
| Diameter | 69.8 mm |
| Focal Length Multiplier | 2X that of the master lens |
| Effective Reduction in Aperture | 2 f-stops |
| Closest Focus | Add |
| 35mm Equivalent | Add |
| APS-C Equivalent | Add |
| Zoom System | Add |
| Diagonal Angle of View | Add |
| Diaphragm Blades Type | Add |
| Aperture | Add |
| Filter Size | Add |
| Front Element Rotation | Add |
| Focus Details | Add |
| Diaphragm Blades | Add |
| APS Equivalent | Add |
| Focal Length | Add |