Sigma 18-50mm EX DC OS HSM

Sigma 18-50mm EX DC OS HSM

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8.0/10
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We have collected 1 reviews of the Sigma 18-50mm EX DC OS HSM. Experts rate Sigma 18-50mm EX DC OS HSM 8/10. Reviewsor.com helps you find reviews, best prices, user reviews of the Sigma 18-50mm EX DC OS HSM and Sigma Camera lenses.

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Sigma 18-50mm EX DC OS HSM Reviews

TechRadar

07/2011

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8.0/10

Sigma 18-50mm EX DC OS HSM review

It's not often that an independently manufactured lens costs more than some camera manufacturers' own-brand rivals, but this Sigma is a bit special. Unlike the Canon and Nikon lenses on test, the Sigma 17-50mm boasts a fast, constant aperture of f/2.8 that remains fixed throughout the zoom range. That's quite an achievement for a lens that also includes optical image stabilisation. Other finery includes two of Sigma's FLD glass elements, which the company claims provides the very best low-dispersion performance to reduce chromatic aberration while enabling maximum light transmission. PerformanceThe HSM (HyperSonic Motor) autofocus system fitted to this lens isn't Sigma's best, because there's no full-time manual override. Unlike many Sigma HSM lenses, the focus ring rotates during autofocus, so you have to be careful not to foul the action of the focus ring in handheld shooting. A drawback of many fast lenses is that images lack a little sharpness and contrast when shooting at the maximum aperture, but the Sigma proved amazingly crisp at f/2.8 throughout. Distortion is well controlled, and while there's a little colour fringing, it's only really noticeable around very high-contrast edges. There's also a distinct lack of vignetting, with excellent peripheral illumination in the corners of even wide-angle images.

Prices

Retailer Information Prices
Adorama Sigma 18-50mm f/2.8-4.5 DC OS HSM Canon EOS Mount Lens Kit, with Tiffen 67mm UV Filter, Lens Cap Leash, Professional Lens Cleaning Kit $198.99
J&R Music and Computer World Sigma 18-50mm f/2.8-4.5 DC OS HSM Lens - Nikon NA18-50DCOS $199
Adorama Sigma 18-50mm f/2.8-4.5 DC OS HSM Standard Zoom Lens for Canon EOS Digital SLR Cameras - US Warranty $199
J&R Music and Computer World Sigma 18-50mm f/2.8-4.5 DC OS HSM Lens - Canon CA18-50DCOS $199
eBay Sigma 18-50mm F/2.8-4.5 Dc Os Hsm Lens - Nikon Na18-50dcos $204.94
Amazon Marketplace Sigma 18-50mm F2.8-4.5 DC OS HSM Zoom Lens for Nikon Digital SLR Cameras + 3 Piece Filter Kit with Case + Lens Case + Celltime 5 Year Warranty $209
Amazon Marketplace Sigma 18-50mm F2.8-4.5 DC OS HSM Lens for Nikon D40, D50, D60, D70, D80, D90, D100, D200, D300, D700, D5000 Cameras. FREE 7pc Bundle Includes: 7 Year Warranty + 4pc Filter Set (3 Filters - UV, Polarizer, Fluorescent - with Case) + Lens Hood + Lens Pouch + Front and Rear Lens Cap + Lens Cap Keeper (Leash) + 2pc Advanced Microfiber Cleaning Kit. $287.99
Amazon Sigma 18-250mm f/3.5-6.3 DC OS HSM IF Lens for Sigma Digital SLR Cameras $479