Pentax smc Pentax-DA 18-55mm f/3.5-5.6 AL vs Sigma 10-20mm f/3.5 EX DC HSM
Both are Pentax K lenses for APS-C. Here is what actually differs.
Pick the Pentax smc Pentax-DA 18-55mm f/3.5-5.6 AL if
- You want the lighter lens to carry: 300 g lighter (220 g vs 520 g)
- You need more reach: 55mm vs 20mm at the long end
- You want bigger close-ups: 0.34× vs 0.15× maximum magnification
- You want a compact lens: 67.5 mm vs 88.2 mm long
Pick the Sigma 10-20mm f/3.5 EX DC HSM if
- You want a wider view: 10mm vs 18mm at the wide end
- You care about the shape of out-of-focus highlights: 7 aperture blades vs 6
Spec differences
13 differences| Pentax smc Pentax-DA 18-55mm f/3.5-5.6 AL | Sigma 10-20mm f/3.5 EX DC HSM | |
|---|---|---|
| Brand |
Pentax
|
Sigma
|
| Type |
Zoom
|
Wide Zoom
|
| Focal length |
18-55mm
|
10-20mm
|
| Weight |
220 g
lighter
|
520 g
|
| Length |
67.5 mm
shorter
|
88.2 mm
|
| Diameter |
68 mm
slimmer
|
87.3 mm
|
| Filter thread |
52 mm
|
82 mm
|
| Min focus distance |
0.25 m
|
0.24 m
closer
|
| Max magnification |
0.34×
larger
|
0.15×
|
| Aperture blades |
6
|
7
more blades
|
| Optical design |
11 elements / 8 groups
|
13 elements / 10 groups
|
| Autofocus motor |
not listed
|
HSM
|
| Released |
2008
|
not listed
|
4 identical specs hidden: mount, format, max aperture, image stabilization. Show all
- Mount
- Pentax K both
- Format
- APS-C both
- Max aperture
- f/3.5 both
- Image stabilization
- No both
Our notes
Pentax smc Pentax-DA 18-55mm f/3.5-5.6 AL
A 18-55mm f/3.5-5.6 standard zoom lens, the Pentax smc Pentax-DA 18-55mm f/3.5-5.6 AL is designed for Pentax K mount bodies. A popular general-purpose zoom for Pentax APS-C cameras.
Our notes
Sigma 10-20mm f/3.5 EX DC HSM
A 10-20mm f/3.5 APS-C wide-angle zoom lens, the Sigma 10-20mm f/3.5 EX DC HSM is designed for Pentax K mount bodies, with Hyper Sonic Motor autofocus. It covers wide angles for landscapes, interiors and architecture.
More comparisons
Tamron AF 28-300mm F/3.5-6.3 XR Di LD Aspherical (IF) Macro vs Pentax smc Pentax-DA 18-55mm f/3.5-5.6 AL
more reach (300mm) vs wider (18mm)
Pentax smc Pentax-DA Fish-Eye 10-17mm f/3.5-4.5 ED IF vs Sigma 10-20mm f/3.5 EX DC HSM
200 g lighter vs more reach (20mm)
Pentax smc Pentax-DA 18-55mm f/3.5-5.6 AL vs Sigma 18-200mm f/3.5-6.3 DC OS HSM
Sigma 18-200mm f/3.5-6.3 DC OS HSM: more reach (200mm)
Sigma 10-20mm f/3.5 EX DC HSM vs Tamron 18-270mm f/3.5-6.3 Di II PZD
wider (10mm) vs more reach (270mm)
Pentax smc Pentax-DA 18-55mm f/3.5-5.6 AL vs Tamron 18-270mm f/3.5-6.3 Di II PZD
Tamron 18-270mm f/3.5-6.3 Di II PZD: more reach (270mm)
Sigma 10-20mm f/3.5 EX DC HSM vs Tamron 18-270mm f/3.5-6.3 Di II VC PZD
wider (10mm) vs more reach (270mm)