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Thursday, April 18, 2013

Sigma 18-35mm F1.8 DC HSM Hands-on Preview

The Sigma 18-35mm F1.8 DC HSM is an exciting new standard zoom lens for APS-C DSLR owners. Offering a short focal length of 27-52.5mm in the 35mm format, the Sigma 18-35mm F1.8 DC HSM’s most interesting innovation is its constant aperture of f/1.8 throughout the zoom range. Whereas most standard zoom lenses, even the more expensive optics, offer a maximum aperture of f/2.8, Sigma’s new lens offers a faster shutter speed and even shallower depth of field. The Sigma 18-35mm F1.8 DC HSM could effectively replace a fast 28mm, 35mm and 50mm prime lens in your camera bag, although it doesn’t offer the mild telephoto reach that a lot of standard zooms offer.

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