Slutsats: After the announcement of the Sigma’s 18-200 mm OS suggested price my first impressions were rather negative – I didn’t think it could sell itself well.
Nackdelar: weak image quality at the frame edge for the range of 100-200 mm and near the maximum relative aperture,, distinct distortion level at 18 mm,, high vignetting for both...
Utdrag: Ob Landschafts-Panorama, Porträt oder winziges Detail: Mit einem Zoom-Objektiv an Ihrer Spiegelreflexkamera sind Sie flexibel, ohne mehrere Objektive herumschleppen zu
Slutsats: The 18-200mm F3.5-6.3 DC OS HSM is on the face of it an ideal 'do-it-all' travel lens; the 11x zoom range, image stabilization and useful close focus distance combine to
Fördelar: Huge 11x focal length range, ideal general purpose and travel lens, Relatively low chromatic aberration, Low distortion (for a superzoom), Reasonably effective optical...
Nackdelar: Very inconsistent sharpness through the zoom range - extremely soft at 80mm, Soft corners at all focal lengths, Occasionally indecisive autofocus, Slightly less resist...
Summering: Unsurprisingly a lens with this kind of focal range is rarely going to perform as well as one with a shorter range, but we were impressed overall by the results possible.
Fördelar: Highly versatile 11.1x zoom range, Great value, Relatively small and light - great travel lens, Polariser-friendly internal focusing
Nackdelar: Tamron version very similar, Pricier Nikkor version has anti-shake, Pricier Nikkor version is optically faster, Pricier Nikkor version has better build quality
Sigma’s 18-200mm f/3.5-6.3 DC OS Lens; The First Multipurpose Sigma Zoom With A Built-In Image Stabilizer
Shutterbug
1 december 2001
Utdrag: Although Sigma released their first lens with a built-in Optical Stabilizer (OS) system in the spring of 2004, the company employed this technology in only one pro-grade