§ 03 Head to head
Pentax smc DA 18-135 mm f/3.5-5.6 ED AL [IF] DC WR vs Sigma C 18-200 mm f/3.5-6.3 DC Macro OS HSM
Pentax 18–135mm f/3.5-5.6 has a brighter maximum aperture. Sigma 18–200mm f/3.5-6.3 has a longer reach.
The Pentax smc DA 18-135 mm f/3.5-5.6 ED AL [IF] DC WR is an 18–135mm f/3.5-5.6 zoom, and the Sigma C 18-200 mm f/3.5-6.3 DC Macro OS HSM is an 18–200mm f/3.5-6.3 zoom. On paper the Sigma C 18-200 mm f/3.5-6.3 DC Macro OS HSM comes out ahead, 4 advantages to 3, but which one suits you depends on what you shoot.
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Key differences
Why is the Pentax smc DA 18-135 mm f/3.5-5.6 ED AL [IF] DC WR better than the Sigma C 18-200 mm f/3.5-6.3 DC Macro OS HSM?
- Brighter maximum aperture (f/3.5-5.6 vs f/3.5-6.3)
- 25 g lighter (405 g vs 430 g)
- 10 mm shorter (76 mm vs 86 mm long)
Why is the Sigma C 18-200 mm f/3.5-6.3 DC Macro OS HSM better than the Pentax smc DA 18-135 mm f/3.5-5.6 ED AL [IF] DC WR?
- Longer reach (200mm vs 135mm)
- Focuses 1 cm closer (0.39 m vs 0.4 m)
- Has optical image stabilization
- Newer design (2014 vs 2010)
02
Which should you buy?
- landscape For landscape photography, the Pentax smc DA 18-135 mm f/3.5-5.6 ED AL [IF] DC WR has the edge: it is 25 g lighter to carry.
- architecture For architecture, the Pentax smc DA 18-135 mm f/3.5-5.6 ED AL [IF] DC WR has the edge: it is 25 g lighter to carry.
- macro For macro photography, the Sigma C 18-200 mm f/3.5-6.3 DC Macro OS HSM has the edge: it focuses closer, down to 0.39 m.
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Specification
| Specification | Pentax smc DA 18-135 mm f/3.5-5.6 ED AL [IF] DC WR | Sigma C 18-200 mm f/3.5-6.3 DC Macro OS HSM |
|---|---|---|
| Focal length | 18–135mm | 18–200mm |
| Maximum aperture | f/3.5-5.6 ◆ | f/3.5-6.3 |
| Minimum aperture | f/38 | f/22 |
| Lens type | Zoom lens | Zoom lens |
| Format | APS-C | APS-C |
| Weight | 405 g (14.29 oz) ◆ | 430 g (15.17 oz) |
| Dimensions | 73 x 76 mm | 70.7 x 86 mm |
| Minimum focusing distance | 0.4 m (15.75 inches) | 0.39 m (15.35 inches) ◆ |
| Image stabilization | No | Yes ◆ |
| Weather sealing | Yes | — |
| Aperture ring | No | No |
| Aperture blades | 7 | 7 |
| Optical construction | 13 elements / 11 groups | 16 elements / 13 groups |
| Filter size | 62 mm | 62 mm |
| Lens mount | Pentax K | Nikon F, Sony A, Pentax K, Canon EF-S |
| Released | 2010 | 2014 |
04
Size
- A · Pentax
- B · Sigma
- 76 × 73 mm
- 86 × 70.7 mm
The Sigma C 18-200 mm f/3.5-6.3 DC Macro OS HSM is 10 mm longer and 25 g heavier than the Pentax smc DA 18-135 mm f/3.5-5.6 ED AL [IF] DC WR.
05
Sample frames
Sigma C 18-200 mm f/3.5-6.3 DC Macro OS HSM
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Video reviews
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Questions
- Which lens has the brighter aperture, the Pentax smc DA 18-135 mm f/3.5-5.6 ED AL [IF] DC WR or the Sigma C 18-200 mm f/3.5-6.3 DC Macro OS HSM?
- The Pentax smc DA 18-135 mm f/3.5-5.6 ED AL [IF] DC WR opens to f/3.5-5.6, against f/3.5-6.3 on the Sigma C 18-200 mm f/3.5-6.3 DC Macro OS HSM.
- Which is lighter, the Pentax smc DA 18-135 mm f/3.5-5.6 ED AL [IF] DC WR or the Sigma C 18-200 mm f/3.5-6.3 DC Macro OS HSM?
- The Pentax smc DA 18-135 mm f/3.5-5.6 ED AL [IF] DC WR weighs 405 g, 25 g less than the Sigma C 18-200 mm f/3.5-6.3 DC Macro OS HSM (430 g).
- Which focuses closer, the Pentax smc DA 18-135 mm f/3.5-5.6 ED AL [IF] DC WR or the Sigma C 18-200 mm f/3.5-6.3 DC Macro OS HSM?
- The Sigma C 18-200 mm f/3.5-6.3 DC Macro OS HSM focuses down to 0.39 m, against 0.4 m for the Pentax smc DA 18-135 mm f/3.5-5.6 ED AL [IF] DC WR.
- Do the Pentax smc DA 18-135 mm f/3.5-5.6 ED AL [IF] DC WR and the Sigma C 18-200 mm f/3.5-6.3 DC Macro OS HSM have image stabilization?
- Only the Sigma C 18-200 mm f/3.5-6.3 DC Macro OS HSM has optical image stabilization.
- Is the Pentax smc DA 18-135 mm f/3.5-5.6 ED AL [IF] DC WR or the Sigma C 18-200 mm f/3.5-6.3 DC Macro OS HSM better for landscape photography?
- For landscape photography, the Pentax smc DA 18-135 mm f/3.5-5.6 ED AL [IF] DC WR has the edge: it is 25 g lighter to carry.
- Is the Pentax smc DA 18-135 mm f/3.5-5.6 ED AL [IF] DC WR or the Sigma C 18-200 mm f/3.5-6.3 DC Macro OS HSM better for architecture?
- For architecture, the Pentax smc DA 18-135 mm f/3.5-5.6 ED AL [IF] DC WR has the edge: it is 25 g lighter to carry.
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