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| Manufacturer | Sigma | Tamron |
|---|---|---|
| Model | 17-70 mm f/2.8-4.0 DC Macro OS HSM | SP AF 17-50 mm f/2.8 XR Di II VC |
| Lenst style | Universal zoom | Universal zoom |
| Focal length | 17 - 70 mm | 17 - 50 mm |
| Maximum aperture | f/2.8 - 4 | f/2.8 |
| Angle of view | 72.4 - 20.2 o | 78.75 - 31.18 o |
| Closest focusing distance | 0.22 m | 0.29 m |
| Maximum magnification | 1:2.7 | 1:4.8 |
| Minimum aperture | 22 | 32 |
| Diaphragm blades | 7 | 7 |
| Auto focus type | HSM | AF |
| Lens Construction | 17 elements / 13 group | 19 elements / 14 group |
| Filter diameter | 72 mm | 72 mm |
| Macro Yes/No | Yes | No |
| Stabilization | Yes | Yes |
| Available mounts | Nikon F Sony A / Minolta Pentax K Canon EF-S |
Nikon F Canon EF-S |
| Dimensions | 88.9 x 79 mm | 79.6 x 94.5 mm |
| Weight | 535 g | 570 g |
| Additional information | three aspherical elements, one ELD element, Super Multi-Layer Coatings | |
| Score [max 5.00] | ||
| Our Review |
LensTip.com
