field angle

The angle of a cone of light encompassing the central part of the beam out to where where the intensity drops to 10% of the center. Sometimes referred to as "1/10th cut-off angle" on old fixture's photometric sheets.

See also beam angle.

This page has been seen 2,780 times.

Industry Advertising

Recent Activity

Readability Information

An automated review of this page attempts to determine its readability in English (US). The page contains roughly 41 words across 3 sentences.
Readability score
Readability score: 50.58
Grade level
For the information in this page to be accessible to the widest audience of readers, both a high readability score and a low grade level are ideal.

Icon Legend

  • Normal page
  • Color code

    • Content has new updates
    • Content has no updates

CB Advertising