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| Manufacturer | Tamron | Tamron | Pentax | Sony |
|---|---|---|---|---|
| Model | AF 18-270 mm f/3.5-6.3 Di II VC LD Asph. (IF) MACRO | AF 18-250 mm f/3.5-6.3 Di II LD Aspherical (IF) | smc DA 18-250 mm f/3.5-6.3 ED AL [IF] | DT 18-250 mm f/3.5-6.3 |
| Lenst style | Universal zoom | Universal zoom | Universal zoom | Universal zoom |
| Focal length | 18 - 270 mm | 18 - 250 mm | 18 - 250 mm | 18 - 250 mm |
| Maximum aperture | f/3.5 - 6.3 | f/3.5 - 6.3 | f/3.5 - 6.3 | f/3.5 - 6.3 |
| Angle of view | 74 - 5.8 o | 75.5 - 6.3 o | 76 - 6.5 o | 76.5 - 6.5 o |
| Closest focusing distance | 0.49 m | 0.45 m | 0.45 m | 0.45 m |
| Maximum magnification | 1:3.5 | 1:3.45 | 0.28 | 1:3.45 |
| Minimum aperture | 22 | 22 | 45 | 22 |
| Diaphragm blades | 7 | 7 | 7 | 7 |
| Auto focus type | AF | AF | AF | AF |
| Lens Construction | 18 elements / 13 group | 16 elements / 13 group | 16 elements / 13 group | 16 elements / 13 group |
| Filter diameter | 72 mm | 62 mm | 62 mm | 62 mm |
| Macro Yes/No | Yes | No | No | No |
| Stabilization | Yes | No | No | No |
| Available mounts | Nikon F Canon EF-S |
Nikon F Sony A / Minolta Pentax K Canon EF-S |
Pentax K | Sony A / Minolta |
| Dimensions | 101 x 80 mm | 84.3 x 74.4 mm | 75 x 85.5 mm | 86 x 75 mm |
| Weight | 550 g | 430 g | 455 g | 440 g |
| Additional information | Anounced: September 2007 | |||
| Score [max 5.00] | No score | |||
| Our Review |
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