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The Sigma 14-24mm f/2.8 DG DN Art Lens provides a versatile range of wide-angle focal lengths with excellent image quality while optimizing size and weight. Featuring a sophisticated optical design, a series of low dispersion and aspherical elements is used to minimize both chromatic and spherical aberrations throughout the zoom range in order to achieve high sharpness, clarity, and color accuracy. A Super Multi-Layer Coating combined with a NanoPorous Coating also helps to suppress lens flare and ghosting to a greater degree than conventional anti-reflective coatings. This helps to more effectively produce color-accuracy and contrast-rich imagery in a variety of lighting conditions. A built-in Autofocus-Lock (AFL) button can be assigned additional functions to widen the range of operations available on the lens, while inside, a rounded 11-blade diaphragm improves image quality by helping to create smooth bokeh. Additionally, a built-in lens hood serves to protect the front element as well as prevent stray light from causing flare. Created for full-frame Sony E-mount mirrorless cameras, this wide-angle zoom is designed to deliver excellent image quality while optimizing size and weight. It is also suitable for APS-C models where it provides a 21-36mm equivalent focal length range. Five Special Low Dispersion (SLD) elements and one F Low Dispersion (FLD) element markedly reduce chromatic aberrations and color fringing throughout the zoom range for improved clarity and color accuracy. A Super Multi-Layer Coating combined with a NanoPorous Coating has been applied to lens elements in order to minimize lens flare and ghosting to a greater degree than conventional anti-reflective coatings. The combination of these coatings produces contrast-rich and color-neutral imagery and helps to make the lens even more effective in backlit conditions. Built-in Autofocus-Lock (AFL) button can be assigned additional functions that widen the range of operations available on the lens. The included rear filter holder is equipped with a fall-prevention lock for attaching and securing gel filters along with the lens mount.