Nikon 50 mm f/1.8D AF Nikkor
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The Nikon 50 mm f/1.8D AF Nikkor is one of Nikon's 50 mm lenses. A 50 mm prime lens is the normal lens for the 35 mm format. On a Nikon DX format DSLR, a 50 mm lens is cropped to the angle of a view of a short telephoto lens (~75 mm equivalent; field-of-view crop is 1.54). Prime lenses can be cheaper and easier to manufacture than zoom lenses and may have better optical characteristics compared with zoom lenses of comparable price. The combination of low cost and high optical quality makes this a popular lens among many photographers. When used on DX format cameras the resulting angle of view along with its large aperture also make it a lens suitable for portraiture.
With a reverse coupler, one can also reverse mount this lens on to a camera or reverse mount it in front of another lens to use it for macro shots.
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[edit] Lens specifications
- Focal Length : 50 mm
- Maximum Aperture : f/1.8
- Focus Distance : 1.5 ft. (0.45 m) to Infinity
- Maximum Reproduction Ratio : 0.15
- Filter Attachment Size : 52 mm
- Dimensions : 2.5 x 1.5 in.
- Weight : Approx. 5.5 ounces
- Aperture ring: does have (non-G-type Nikkor lens)
- Distance information: does transmit (D-type Nikkor lens)
- Front lens attachment element rotating while focusing: no
- Lens coating: yes, Nikkor's SIC designation
- Lens mount: metal
- Integrated AF motor: none, focusing is done by the camera body through mechanical coupling (if available)
