Standardization of Design Parameters for CCD Camera Lenses

The use of charge-coupled devices (CCDs) in video cameras has increased the difficulty of achieving interchangeability among camera lenses. In the three-CCD camera, the R, G, and B CCDs are fixed on the prism blocks, and all lenses must focus precisely on each CCD faceplate. To maintain interchangeability, optical design parameters for lenses and camera optical systems must be standardized. This should apply to mechanical lens-mount dimensions and electrical interface with the camera as well. NHK (Japan Broadcasting Corp.) and ten lens and camera manufacturers in Japan have agreed on standard CCD camera lens parameters. This article describes the need for, content of, and discussions concerning this standardization.

Print ISSN

0036-1682

Published

1989-09

Content type

Original Research

DOI

10.5594/J02663