20 mm F1.8 EX DG Aspherical RF Wide Lens for Select Nikon Mounts
The 20 mm F1.8 EX DG Aspherical RF Wide Lens from Sigma is designed to fulfill your digital photographic needs. It has a filter size of 82 mm and offers a minimum focusing distance of 0.65 ft at all focal lengths and a maximum magnification of 1:4. This super-wide-angle lens is ensured minimal light-fall-off with enhanced peripheral brightness. The iris diaphragm has 9 diaphragm blades to obtain beautiful out of focus images in the foreground and background. The lens incorporates Dual-Focus (DF) mechanism. It is easy to hold the lens, since the focusing ring does not rotate during auto-focus, yet it provides adequate focusing torque of the focusing ring during manual focusing of the lens. The use of aspherical lens elements in both of the front and rear lens groups effectively compensates for distortion, spherical aberration and astigmatism. The minimum focusing distance of 20cm (7.9 inch) and 94.5i angle of view allow close up photography surrounding the photographic subject.
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Looking for more Digital Cameras & Camcorders Digital SLR products? Try the
24-70 mm f/2.8 EX DG Macro D-Type Zoom Lens for Select Sony Digital SLR Cameras from Sigma Corporation. Another product to consider is the Sigma Corporation 24-70 mm F2.8 EX DG Macro Zoom Lens for Select Canon Mounts.
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