Tamron SP AF 17-50mm f2.8 XR Di-II LD Asph. IF
| Maker | Tamron |
| Model | SP AF 17-50mm f2.8 XR Di-II LD Asph. IF |
| Fullframe Coverage | NO - APS-C coverage only |
| Field of View
(degrees) Horizontal,Vertical, Diagonal Full Frame - 36x24mm APS-C - 22.5x15mm |
Full Frame Wide : H - 93.3 : V - 70.4 : D - 103.7 Full Frame Tele : H - 39.6 : V - 27 : D - 46.8 APS-C Wide : H - 67 : V - 47.6 : D - 77 APS-C Tele : H - 25.4 : V - 17.1 : D - 30.3 |
| Min Focal Length | 17 mm (APS-C 35mm equiv = 27.2 mm) |
| Max Focal Length | 50 mm (APS-C 35mm equiv = 80 mm) |
| Max Aperture (Wide-Tele) | f2.8 - f2.8 |
| Elements/Groups | 16/13 |
| Diaphragm blades | 0 |
| Close Focus | 0.27 m : 0.9 ft |
| Length/Diameter | 3.28"/2.9" : 83.3 mm / 73.7 mm |
| Weight | 15.4 oz : 437.4 gm |
| Filter | 67 |
| LensPlay Rating | 8 - Good |
| User Rating # of ratings = 261 |
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| Price (click for latest pricing) | $450 |
| NOTES: See full review Tamron 17-50/2.8 XR Di-II | |
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COMMENTS: A fast wide-to-short tele zoom for APS-C DSLRs, equivalent FOV to a 27-80 on a full frame camera. Good optics, better than EF-S 17-85IS, but of course it lacks image stabilization and has a shorter zoom range. It's about $750 cheaper then the similar Canon EF-S 17-55/2.8IS
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