Lenses
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Specifications:
| Manufacturer | Sigma |
|---|---|
| Model | 10-20 mm f/3.5 EX DC HSM |
| Lens style | Wide angle zoom |
| Focal length | 10 - 20 mm |
| Maximum aperture | f/3.5 |
| Angle of view | 102.4 - 63.8 o |
| Closest focusing distance | 0.24 m |
| Maximum magnification | 1:6.6 |
| Minimum aperture | 22 |
| Number of diaphragm blades | 7 |
| Auto focus type | HSM |
| Lens Construction | 13 elements / 10 groups |
| Filter diameter | 82 mm |
| Macro | No |
| Available mounts | Canon Nikon KM/Sony Sigma Pentax/Samsung |
| Dimensions | 87.3 x 88.2 mm |
| Weight | 540 g |
| Additional information |
Average rating (5 owners reviews).
| Build quality | 4.80 |  |
|---|---|---|
| Optical quality | 4.00 |  |
| Value for money | 3.80 | |
| Overall | 4.20 | |
| Build quality |  |
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| Value for money | |
| Overall |  |
Owner since: 1 month
Price: $440
User profile: Semipro
Cons: Serious vignetting at 10mm no matter the aperture, but slightly better stopped down, but not much.
Pros: One of the widest lenses on the market for DX format. Constant aperture. One of the best close-focus distances amongst these lenses as well. If you're at 10pm and stopped down, your depth of field is so deep that you can literally have your subject two inches from the glass!
Summary: If you understand it's limitations, and know how to correct them in your software, this lens is great!
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Owner since: 1 month
Price: $650
User profile: Amateur
Cons: Price
Pros: Maximum aperture is good
Summary: good but expencive
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Owner since: 3 months
Price: $650
User profile: Amateur
Cons: corners are too soft at 10mm
Pros: sharp at 14mm~20mm, and center area at 10mm
Summary: I noticed that other people paid $800 ~ 950 for it. At that price I'd say it's not worth. But me I paid $650 so it's not that bad.
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Owner since: 1 month
Price: $800
User profile: Amateur
Cons: Very Soft at f3.5 Doesn't improve a lot until f8
Pros: Build quality
Summary: I found this lens to be very soft. Maybe i just purchased a poor copy, but its typical of Sigma quality control. You never know what your going to get. Pity, as I really wanted to like this lens. Ive learnt my lesson, never buy sigma. Stick with a Cannon or Nikon instead.
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Owner since: 1 month
Price: 950CHF
User profile: Amateur
Cons: Stiff manual focus
Pros: very sharp
Summary: Best uw zoom at the moment for DX
