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 DSLR, a 50 mm lens is cropped to the angle of a view of a short telephoto lens (75 mm equivalent on DX format cameras; field-of-view crop is 1.5). 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. The relatively long focal length when used on DX format cameras along with its large aperture also make it a very good portrait lens.
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 extreme 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
