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Sigma 15-30/3.5-4.5 EX Aspherical DG DF Zoom Lens f/ Nikon AFD USA Description
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Rectilinear Sigma 15-30mm f3.5-4.5 EX Aspherical DG DF lens is the first of its kind in the world.
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Incorporates hybrid aspherical lens in the front lens group to minimize distortion and astigmatism, and molded glass aspherical lens in the rear lens group to minimize spherical aberration.
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Dual focus mechanism and inner focusing system make it easy to hold, since the focusing ring does not rotate during auto focusing, and provides adequate torque during manual focusing.
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Nikon auto-focus AF-D matrix F mount, designed for both digital and film Nikon SLR camera systems, such as N75, N80, F5, F100, D100, D1x, D2h, etc (Effective zoom range: 22.5-45mm on most SLR digitals).
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6 group zoom system mechanical design minimizes astigmatism for all focal lengths.
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Includes non-removable type lens hood (Petal-shaped) to prevent extraneous light harmful for image quality.
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Uses rear gelatin (insert type) filters. The iris diaphragm has 8 blades to obtain beautiful out focus of image in the foreground and background.
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Minimum aperture: 22-32.
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Minimum focus: 11.8".
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Macro rating 1:6.
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Dimensions: 3.4 x 5.1".
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Weighs 21.8oz.
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Includes case, hood & caps. Gelatin filters must be purchased separately.
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