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Sigma 20-40 mm f/2.8 EX DG Aspherical
Pictures:
Specifications:
| Manufacturer | Sigma |
|---|---|
| Model | 20-40 mm f/2.8 EX DG Aspherical |
| Lens style | Wide angle zoom |
| Focal length | 20 - 40 mm |
| Maximum aperture | f/2.8 |
| Angle of view | 94.5 - 56.8 o |
| Closest focusing distance | 0.3 m |
| Maximum magnification | 1:4.6 |
| Minimum aperture | 32 |
| Number of diaphragm blades | 9 |
| Auto focus type | AF |
| Lens Construction | 17 elements / 13 groups |
| Filter diameter | 82 mm |
| Macro | No |
| Available mounts | Canon EF Nikon F Sony A / Minolta Sigma Pentax K |
| Dimensions | 89 x 107.5 mm |
| Weight | 595 g |
| Additional information |
Owners reviews (2)
Overall
Owner since: 1 year
Price: 50€
User profile: Amateur
Cons: 82mm filter, size,little bit of chromatic aberration wide open .
Pros: Sharp all aperture all settings ,
Summary: Solid lens,rarely goes of my camera ,one of the best lens I ever have . Almost to no flaws. If you find one,buy it!
Overall
Owner since: 2 years
Price: 450
User profile: Semipro
Cons: Its a big lens! May be too big, but nice constructed. Cornershading on fullframe.
Pros: Optically one of the best lenses in the Sigmaprogramm. Very few distortion, very few cornershading APS-C, beautifull colores, sharp from f4, not much CA´s.
Summary: A nearly onknown lens, thats a pitty. One of the very best Sigmalenses, good construction but a bit big. Sharp and great colours, resistent to flare and CA´s.