Sigma F4.5-5.6 12-24mm EX DG HSM II Wide angel Ultra-Zoom

Sigma Corporation has introduced a sophisticated lens F4.5-6.5 with 12-24mm, which is named EX DG HSM II. The lens is the latest version of wide angel ultra-zoom for full frame digital SLR, using a formula that combines four optical elements made of low dispersion glass, F 'latest. In addition, there is also an element of SLD, to minimize chromatic aberration. Four aspheric elements (three glasses of mold and one hybrid) were also used to reduce distortion and irregularities. This lens has a hood that is integrated with an attractive splash design.

Sigma F4.5-5.6 12-24mm EX DG HSM II

Ultra-wide angle lens is designed for full frame digital SLR camera. Features contained in the lens Sigma F4.5-6.5 12-24mm EX DG HSM II is among the range of ultra-wide viewing angle, an SLD and four FLD element lenses, lens hoods splash design, the minimum focus distance of only 28 cm, which makes HSM fast lens and quiet autofocus.

The function of SLD and FLD four glass elements compensates for color aberration and provides excellent image quality throughout the zoom range. Three elements of glass mold and one-hybrid aspherical lenses provide advanced performance in a compact and lightweight construction, as well as the Super Multi-Layer Coating to reduce flare and ghosting.

This lens has perifersuperior brightness and provides sharp images and high contrast even at maximum hole. Meanwhile, HSM (Hyper Sonic Motor) ensures quieter autofocus speed and height, which allows full-time manual focus override, with a minimum focus distance of 28cm.