Sigma W/A 28mm f/1.8 EX Aspherical DG DF Macro AF Lens

Sigma Wide Angle 28mm f/1.8 EX Aspherical DG DF Macro Autofocus Lens for Nikon AF-D

Sigma Wide Angle 28mm f/1.8 EX Aspherical DG DF Macro Autofocus Lens for Nikon AF-D

B&H # SI2818MNAF MFR # 440306
Sigma W/A 28mm f/1.8 EX Aspherical DG DF Macro AF Lens

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  • 1Description

This 28mm lens has a fast f/1.8 maximum aperture, with macro-focusing capability. It features minimum focusing, down to 7.9" with a reproduction ratio of 1:2.9). The 9-bladed aperture diaphragm obtains beautiful out of focus images. 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 incorporates a dual-focus mechanism. It is easy to hold the lens, since focusing ring does not rotate during autofocus, yet provides adequate torque of the focusing ring during manual focusing. The lens materials used in this new lens are lead and arsenic free ecological glass.

Note: AF not supported by D40 and D60 cameras.

In the Box
Sigma Wide Angle 28mm f/1.8 EX Aspherical DG DF Macro Autofocus Lens for Nikon AF-D
  • Front & Rear Lenscaps
  • Hood
  • Case
  • Limited 1-Year North and South America Warranty Against Manufacturing and Workmanship Defects.
  • Limited 3-Year U.S.A. Extended Warranty Extension Against Manufacturing and Workmanship Defects.
  • Table of Contents
    • 1Description
    Performance
    Focal Length 28mm
    Aperture Maximum: f/1.8
    Minimum: f/22
    Camera Mount Type Nikon F
    Format Compatibility Nikon FX/35mm Film
    Nikon DX
    Angle of View 75.4°
    Minimum Focus Distance 7.9" (20.07 cm)
    Magnification 0.34x
    Maximum Reproduction Ratio 1:3
    Elements/Groups 10/9
    Diaphragm Blades 9
    Features
    Image Stabilization No
    Autofocus Yes
    Tripod Collar No
    Physical
    Filter Thread 77 mm
    Dimensions (DxL) Approx. 3.3 x 3.1" (8.38 x 7.87 cm)
    Weight 1.06 lb (480 g)
    Packaging Info
    Box Dimensions (LxWxH) 5.7 x 5.4 x 5.0"

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