Sigma 18-200mm f/3.5-6.3 DC OS HSM Lens Lewiston ME
Helios Quality Consignments
1120 Center Street
105 Topsham Fair Mall Rd
20 East Ave
153 Ferry Rd
491 Lisbon St
649 Turner St
125 Topsham Fair Mall Rd
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153 Ferry Rd
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770 Main St
Sigma 18-200mm f/3.5-6.3 DC OS HSM Lens Review at Cameratown.com
Sigma 18-200mm f/3.5-6.3 DC OS HSM Lens Review
Reader Score: 6.00 (out of 10)
Review (Summary) "The Sigma 18-200mm f/3.5-6.3 DC OS HSM is the latest in the company's long line of superzooms, which stretches back to the early 1990s and a series of 28-200mm (and later 28-300mm) lenses for 35mm SLRs. ...Like all superzooms the Sigma 18-200mm OS features a complex optical design, in this case 18 elements in 13 groups including one Super-Low Dispersion (SLD) glass element, and no fewer than three aspherical elements to combat aberrations. ...
... Most interestingly, this is a lens which appears to concentrate on minimizing distortion and chromatic aberration rather than maximizing sharpness. This immediately means it won't win the favor of a certain type of resolution-obsessed photographer, who will look on its inconsistent sharpness (and indeed substantial lack of it at mid-telephoto focal lengths) with displeasure...."
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