This 7-element 28mm f/2.8 AI was Nikon’s most popular wide angle lens from 1974-1981. It’s sharp, fast and works great on film and FX cameras.
The 28mm focal length is commonly considered the “standard” wide angle choice. Nikon’s exceptionally popular 28mm f/2.8 AIS lens offers superior sharpness with quality construction throughout, in a compact package.
This lens offers superb image quality and Nikon’s Close-Range-Correction (CRC) which maintains image quality throughout the focusing range down to its minimum focusing distance of 8.4″ (20 cm). It’s light weight of 8.9 oz (250g) makes it easy to carry and use.
Tech Specifications
Filter Size: 52mm
f/Stop Range: 2.8-22
Minimum Focus Distance: 8.4″ (20 cm)
Angle of View: 74 degrees
Groups/Elements: 8/8
Length: 1.8″
Maximum Diameter: 2.5″
Weight: 8.9 oz (250 g)
Some good info on the Nikon 28mm f2.8 here.