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Sigma 10-20 mm f/4-5.6 EX DC HSM
Specifications:
| Manufacturer | Sigma |
|---|---|
| Model | 10-20 mm f/4-5.6 EX DC HSM |
| Lens style | Wide angle zoom |
| Focal length | 10 - 20 mm |
| Maximum aperture | f/4 - 5.6 |
| Angle of view | 102.4 - 63.8 o |
| Closest focusing distance | 0.24 m |
| Maximum magnification | 1:6.7 |
| Minimum aperture | 22 |
| Number of diaphragm blades | 6 |
| Auto focus type | AF HSM |
| Lens Construction | 14 elements / 10 groups |
| Filter diameter | 77 mm |
| Macro | No |
| Available mounts | Canon Nikon KM/Sony Sigma Pentax/Samsung |
| Dimensions | 83.5 x 81 mm |
| Weight | 470 g |
| Additional information |
Average rating (6 owners reviews).
| Build quality | 4.33 |   |
|---|---|---|
| Optical quality | 4.17 |  |
| Value for money | 4.67 | |
| Overall | 4.39 | |
| Build quality |  |
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| Overall | |
Owner since: 3 months
Price:
User profile: Amateur
Cons: corner shading is noticeable but manageable.
Pros: sharp lens. Though not a fisheye lens the distortion at the edges gives a unique perspective to composition. very wide angle view!!!
Summary: Fun to use, great compositions, lighter on the budget. lens worth buying!!!
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Owner since: 6 months
Price: euro 420
User profile: Amateur
Cons: Sometimes there's a problem with focusing, and it keeps on trying for several seconds. Some photos are not very sharp towards the edges.
Pros: Fantastic dramatic landscapes. Good colors. Makes it very easy to find a good composition.
Summary: Whether it's for in the city, or outdoors for landscapes, this lens hardly leaves my camera. I had to choose between spending money on a wide-angle or a tele-zoom, and I made definitely the right choice!
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Owner since: 3 years
Price: 475
User profile: Semipro
Cons: strong cornershading
Pros: nearly without cromatica aberrations, very sharp, very wide, only little cornerdistorsion
Summary: I got the older Pentaxversion without the internal scale-window. And this version is the REAL one, very sharp, beautiful coulors. The new version is NOT so sharp, I had as well a 4/3version and I know, what Iam talking about - I sold it....
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Owner since: 6 months
Price: 600€
User profile: Amateur
Cons: I have problems with decentering. Left edge of frame has more CA and it's not quite so sharp as right edge. I've sent lens to Japan for repairs but it came back with same problems.
Pros: Wide angle, wide angle, great sharpenss in center, very fun lens to use.
Summary: Be sure to check this lense before buying. If you fing good sample buy it :)
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Owner since: 2 years
Price: $A 380
User profile: Amateur
Cons: Some field curvature at the edges Other website/listservs cite uneven manufacturer quality control, especially decentering Lens hood does not engage easily (minor)
Pros: Great landscape lens Color transmission, without filters, is brilliant
Summary: A great lens for all super WA zoom purposes purchased at what was a great price. Original equipment prices for comparable Canon/Nikon items are twice as much and probably afford only slightly better image quality, if even that.
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Owner since: 1 year
Price: $400
User profile: Semipro
Cons: This is EX lens, and I expect excellent quality. After a 6 months of usage, zoom ring started rotating too easily. I prefer its initial resistance. This is why only 4 for build quality was given. I feel it steels some parts of blue-green spectrum, but I have to wait for transmission tests on lenstip.com to confirm.
Pros: True wide angle for DX/APS-C users. Very good distortion performace (for such a crazy angles).
Summary: It nedds to be stopped down to f/8-11 to get really sharp images. But it offers usefull quality for all apertures. Another must-have lens for DX/APS-C user. Best used outdoor. A piece of my weekend packing routine: D300 +N1.8D +N70-300VR + S10-20 :-)
