Sigma 28mm f/1.8 EX DG Aspherical Macro Large Aperture Wide Angle Lens for Nikon SLR Cameras
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About Sigma 28mm f/1.8 EX DG Aspherical Macro Large Aperture Wide Angle Lens for Nikon SLR Cameras:
Features minimum focusing, down to 20cm/7.9inches (reproduction ratio 1:2.9). The iris diaphragm has 9 diaphragm blades to obtain beautiful out of focus image. It incorporates the floating focus system and the use of two aspherical lens elements to minimize distortion, spherical aberration and astigmatism. The lens incorporates minimum vignetting optical construction in order to obtain adequate peripheral brightness with open aperture. Internal focus system of the lens eliminates front lens rotation, thus allowing the use of a Perfect Hood and easy use of polarizing filters. The lens also inco
Features Sigma 28mm f/1.8 EX DG Aspherical Macro Large Aperture Wide Angle Lens for Nikon SLR Cameras:
- 28mm f/1.8
- Macro Large Aperture Wide Angle Lens
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