Nikon today announced the AF Nikkor 14mm f/2.8 ED lens which they're aiming at photojournalists using the Nikon D1. Because of the D1's focal length multiplier of 1.55x this lens works out at a nice wide 21.7 mm on the D1. There's also a gelatine filter holder at the rear of the lens.

AF Nikkor 14mm f/2.8 ED lens specifications

Lens Type D-type AF Nikkor super wideangle lens built-in CPU and Nikon bayonet mount
Focal length 14 mm (21.7 mm on a D1)
Maximum aperture f/2.8
Lens construction 14 elements in 12 groups (two compound aspherical lens and one ED glass elements)
Picture angle 114° (102° with IX240 system cameras, 90° with Nikon Digital Camera D1)
Distance Information Output to camera body
Focusing Manually via focus ring
Shooting distance scale graduated in meters and feet from 0.2m to infinity
Aperture scale f/2.8 to f/22 on both standard and aperture-direct-readout scales
Minimum aperture lock Provided
Diaphragm Fully automatic
Exposure measurement Via full-aperture method with AI cameras or cameras with CPU interface system; via stop-down method for other cameras
Built-in gelatine filter holder provided at rear of lens
Dimensions Approx. 87mm dia. x 86.5mm extension from the camera's lens mounting flange; overall length is approx. 97mm
Weight Approx. 670g (1.47 lb)
List price US$ 1,950
Availability July 2000

Offical Nikon announcement:

Nikon Corporation proudly announces the new AF Nikkor 14mm f/2.8D ED. This high-performance ultra-wideangle lens is ideal for photojournalists - especially useful with Nikon's Professional Digital SLR D1 (the lens' effective coverage will be equivalent to using a 21mm on 35mm [135] film format).

This new lens offers superior optical performance by ED (Extra-low Dispersion) glass and aspherical lens elements and it represents a significant addition to the professional Nikkor lens lineup - offering serious photographers enhanced shooting flexibility for a range of applications.

Features

  • 14mm ultra-wideangle lens
  • Used as 21mm (converted to 135 [35mm] format) lens when attached to the Nikon D1
  • One ED glass and two aspherical lens elements for superior image quality
  • High-performance Nikon Super Integrated Coating offers superior colour reproduction and minimises ghost and flare.
  • A/M switch provided