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Sigma 20mm F1.8 EX DG Aspherical RF for Nikon

This wide-angle lens is ideal for scenic shots, landscapes and large-group photos, and is supplemented with a large aperture for lowlight. Its 94.5° angle of view allows close up photography surrounding the photographic subject, and the lens incorporates technologies such as The Dual-Focus (DF) mechanism and aspherical lens elements, which compensates for distortion, spherical aberration and astigmatism.

Technologies

EX (EX Lens)

The exterior of this lens is EX-finished to denote the superior build and optical quality, and to enhance its appearance.

DG (DG Lens)

These are large-aperture lenses with wide angles and short minimum focusing distances. With an abundance of peripheral illumination, they are ideal lenses for Digital SLR Cameras whilst retaining suitability for traditional 35mm SLRs.

ASP (Aspherical Lens)

The aspherical lens complex allows freedom of design, improved performance, a reduced number of component lenses and a compact size

RF (Rear Focus)

This lens is equipped with a system that moves the rear lens group for highspeed , silent focusing.

Basic Specs

Minimum aperture: f/22
Minimum focusing distance: 20cm
Dimensions: 88.6mm X 89.5mm
Weight: 520g

Filter size: 82mm

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