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Tamron SP AF 20-40 mm f/2.7-3.5 Aspherical (IF)
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Specifications:
| Manufacturer | Tamron |
|---|---|
| Model | SP AF 20-40 mm f/2.7-3.5 Aspherical (IF) |
| Lens style | Wide angle zoom |
| Focal length | 20 - 40 mm |
| Maximum aperture | f/2.7 - 3.5 |
| Angle of view | 95 - 57 o |
| Closest focusing distance | 0.5 m |
| Maximum magnification | |
| Minimum aperture | 22 |
| Number of diaphragm blades | 6 |
| Auto focus type | AF |
| Lens Construction | 15 elements / 12 groups |
| Filter diameter | 77 mm |
| Macro | No |
| Available mounts | Canon EF Nikon F |
| Dimensions | 81 x 81.5 mm |
| Weight | 525 g |
| Additional information |
Owners reviews (2)
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Overall
Owner since: 1 year
Price: €70-
User profile: Semipro
Cons: A bit soft wide open, AF not the fastest (unnnecessary with wide-angles), heavier than comparable Sigma 17-35/2.8-4.
Pros: Stopped down slightly performance becomes convincing and makes this Tamron a very versatile, not too big, rugged lens with high optical quality.
Summary: A very good performer for a low price (like its brothers SP 28-105/2.8 and 200-400/5.6 LD), but rather rare.
Overall
Owner since: 6 months
Price: 95 Euros
User profile: Amateur
Cons: - very Vulnerable to flares - very low optical performance completely open (just gets usable at f/4) - is vignetting much - strong distortion at 20mm wide open
Pros: - metal construction - front lens doesn't rotate while focusing - cheap fullframe 20mm wideangle !
Summary: I use this lens on my Nikon D700. Compared to other Nikon Lenses it delivers very different colors than Nikkor Lenses. Personally, I love the way this lens renders blue and green tones.