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Specifications:
| Manufacturer | Tamron |
|---|---|
| Model | AF 18-250 mm f/3.5-6.3 Di II LD Aspherical (IF) |
| Lens style | Universal zoom |
| Focal length | 18 - 250 mm |
| Maximum aperture | f/3.5 - 6.3 |
| Angle of view | 75.5 - 6.3 o |
| Closest focusing distance | 0.45 m |
| Maximum magnification | 1:3.45 |
| Minimum aperture | 22 |
| Number of diaphragm blades | 7 |
| Auto focus type | AF |
| Lens Construction | 16 elements / 13 groups |
| Filter diameter | 62 mm |
| Macro | No |
| Available mounts | Canon EF Nikon F Sony A / Minolta Pentax K |
| Dimensions | 84.3 x 74.4 mm |
| Weight | 430 g |
| Additional information |
Average rating (1 owners reviews).
| Build quality | 3.00 |   |
|---|---|---|
| Optical quality | 3.00 | |
| Value for money | 3.00 | |
| Overall | 3.00 | |
| Build quality |  |
|---|---|
| Optical quality | |
| Value for money | |
| Overall | |
User: Doug Walby
IP 216.31.x.x
Date: 2011-04-28 01:44:47
Owner since: 3 years
Price: 500USD
User profile: Amateur
Owner since: 3 years
Price: 500USD
User profile: Amateur
Cons: Loose barrel, zoom creep. Distortion at 18mm, but that is common with a lot of 18mm lenses.
Pros: Decent image quality over a wide range, so very practical for using as an all-purpose lens.
Summary: Perhaps I got a better than average copy and you tested a worse than average copy. I bought the Tamron 18-250 and Sigma 18-200 at the same time and compared them side-by-side. The Tamron was far better in image quality compared to the Sigma, but perhaps I got a particularly bad copy of the Sigma.
