HD Pentax-DA 10-17mm f/3.5-4.5 ED Fisheye § 03 Head to head
HD Pentax-DA 10-17mm f/3.5-4.5 ED Fisheye vs Sigma 10-20 mm f/3.5 EX DC HSM
Pentax 10–17mm f/3.5-4.5 is 203 g lighter. Sigma 10–20mm f/3.5 has a brighter maximum aperture.
The HD Pentax-DA 10-17mm f/3.5-4.5 ED Fisheye is a 10–17mm f/3.5-4.5 zoom, and the Sigma 10-20 mm f/3.5 EX DC HSM is a 10–20mm f/3.5 zoom. On paper the Sigma 10-20 mm f/3.5 EX DC HSM comes out ahead, 4 advantages to 3, but which one suits you depends on what you shoot.
HD Pentax-DA 10-17mm f/3.5-4.5 ED Fisheye 
Sigma 10-20 mm f/3.5 EX DC HSM 01
Key differences
Why is the HD Pentax-DA 10-17mm f/3.5-4.5 ED Fisheye better than the Sigma 10-20 mm f/3.5 EX DC HSM?
- 203 g lighter (317 g vs 520 g)
- 18 mm shorter (70 mm vs 88.2 mm long)
- Focuses 10 cm closer (0.14 m vs 0.24 m)
Why is the Sigma 10-20 mm f/3.5 EX DC HSM better than the HD Pentax-DA 10-17mm f/3.5-4.5 ED Fisheye?
- Brighter maximum aperture (f/3.5 vs f/3.5-4.5)
- Longer reach (20mm vs 17mm)
- More aperture blades (7 vs 6)
- Newer design (2009 vs 2006)
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Which should you buy?
- landscape For landscape photography, the HD Pentax-DA 10-17mm f/3.5-4.5 ED Fisheye has the edge: it is 203 g lighter to carry.
- architecture For architecture, the HD Pentax-DA 10-17mm f/3.5-4.5 ED Fisheye has the edge: it is 203 g lighter to carry.
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Specification
| Specification | HD Pentax-DA 10-17mm f/3.5-4.5 ED Fisheye | Sigma 10-20 mm f/3.5 EX DC HSM |
|---|---|---|
| Focal length | 10–17mm | 10–20mm |
| Maximum aperture | f/3.5-4.5 | f/3.5 ◆ |
| Minimum aperture | f/22-32 | f/22 |
| Lens type | Fisheye zoom lens | Zoom lens |
| Format | APS-C | APS-C |
| Weight | 317 g (11.2 oz) ◆ | 520 g (18.34 oz) |
| Dimensions | 67.5 mm (diameter) x 70 mm (length) | 87.3 x 88.2 mm |
| Minimum focusing distance | 0.14 m (5.5 inches) ◆ | 0.24 m (9.45 inches) |
| Maximum magnification | 0.39x | — |
| Image stabilization | No | — |
| Weather sealing | No | — |
| Aperture ring | No | — |
| Aperture blades | 6 (rounded) | 7 ◆ |
| Optical construction | 10 elements in 8 groups | 13 elements in 10 groups |
| Filter size | — | 82 mm |
| Lens mount | Pentax K | Nikon F, Sony A, Sigma SA, Pentax K, Canon EF-S |
| Released | 2006 | 2009 |
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Size
- A · HD
- B · Sigma
- 70 × 67.5 mm
- 88.2 × 87.3 mm
The Sigma 10-20 mm f/3.5 EX DC HSM is 18 mm longer and 203 g heavier than the HD Pentax-DA 10-17mm f/3.5-4.5 ED Fisheye.
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Sample frames
Sigma 10-20 mm f/3.5 EX DC HSM
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Video reviews
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Questions
- Which lens has the brighter aperture, the HD Pentax-DA 10-17mm f/3.5-4.5 ED Fisheye or the Sigma 10-20 mm f/3.5 EX DC HSM?
- The Sigma 10-20 mm f/3.5 EX DC HSM opens to f/3.5, against f/3.5-4.5 on the HD Pentax-DA 10-17mm f/3.5-4.5 ED Fisheye.
- Which is lighter, the HD Pentax-DA 10-17mm f/3.5-4.5 ED Fisheye or the Sigma 10-20 mm f/3.5 EX DC HSM?
- The HD Pentax-DA 10-17mm f/3.5-4.5 ED Fisheye weighs 317 g, 203 g less than the Sigma 10-20 mm f/3.5 EX DC HSM (520 g).
- Which focuses closer, the HD Pentax-DA 10-17mm f/3.5-4.5 ED Fisheye or the Sigma 10-20 mm f/3.5 EX DC HSM?
- The HD Pentax-DA 10-17mm f/3.5-4.5 ED Fisheye focuses down to 0.14 m, against 0.24 m for the Sigma 10-20 mm f/3.5 EX DC HSM.
- Is the HD Pentax-DA 10-17mm f/3.5-4.5 ED Fisheye or the Sigma 10-20 mm f/3.5 EX DC HSM better for landscape photography?
- For landscape photography, the HD Pentax-DA 10-17mm f/3.5-4.5 ED Fisheye has the edge: it is 203 g lighter to carry.
- Is the HD Pentax-DA 10-17mm f/3.5-4.5 ED Fisheye or the Sigma 10-20 mm f/3.5 EX DC HSM better for architecture?
- For architecture, the HD Pentax-DA 10-17mm f/3.5-4.5 ED Fisheye has the edge: it is 203 g lighter to carry.
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