About Sigma 18-50mm f/3.5-5.6 DC HSM for Nikon Digital SLR Cameras:
Sigma 18-50mm F3.5-5.6 DC Lens for Nikon SLR Digital Camera 521-306 – This zoom lens was exclusively designed to suit the characteristics of digital SLR cameras. The image circle was designed to match the size of the image sensors of digital SLR cameras, and this produced a compact lens with a maximum diameter of 60mm (2.3in.), overall length of 67.5mm (2.6in.) and weight of only 245gr (8.6 ounces). It has a variable angle of view of 69.3degree~27.9degree. The use of aspherical lenses provides correction for various aberrations throughout the entire zoom range and produce high level of optical
Features Sigma 18-50mm f/3.5-5.6 DC HSM for Nikon Digital SLR Cameras:
- EX lens series denotes excellence of engineering and new technology.
- Compact and lightweight zoom despite large F2.8 aperture.
- Excellent correction for various types of aberration provided by one SLD (Special Low Dispersion) glass element and two aspherical lenses.
- Super Multi Layer (SML) coating reduces flare and ghosting
- Focal Length – 18-50mm
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