Attribute | Sigma 200-500mm f/2.8 EX DG APO × | Vivitar 2X Series 1 AF × |
---|---|---|
Name | Sigma 200-500mm f/2.8 EX DG APO | Vivitar 2X Series 1 AF |
Image Circle | 35mm | 35mm |
Brand | Sigma | Vivitar |
APS Equivalent | 1.5x: 300 - 750mm; 1.6x: 320 - 800mm | - |
Focal Length (mm) | 200.00 - 500.00 | - |
Effective Reduction in Aperture | - | 2 f-stops |
Diameter (mm) | 236.5 | - |
Closest Focus (m) | 2 | - |
Focus Details | Internal | - |
Filter Size (mm) | 72 | - |
Magnification Ratio (x) | 0.13 | 2 |
Length (mm) | 726 | - |
Aperture (f) | 2.80 - 22.00 | - |
Zoom System | Power Zoom | - |
Weight (g) | 15700 | 240 |
Lens Construction | 17 elements in 13 groups, including SLD and 3 ELD elements | 7 elements in 5 groups; Multicoated Optical Glass |
Type | Telephoto Zoom | Teleconverter |
Diaphragm Blades | 9 | - |
Focal Length Multiplier | - | 2X that of the master lens |
Notes | Available AF Mounts: Sigma, Canon, Nikon; The dedicated 2x "Attachment" ensures autofocusing at the 1000mm focal length. | Available AF Mounts: Canon FE, Nikon F, Sony Alpha |