THE READING ROOM

The reading room

Original guides and source-based assessments. Practical context without fabricated results.

A beam-angle label usually describes a level within a distribution, often half of peak intensity.

CCT describes a white-light chromaticity relationship; it does not describe the entire spectrum or color-rendering behavior.

General safety requirements and tests for luminaires.

Photobiological assessment for sources and luminaires primarily emitting visible radiation; do not treat it as a universal UV exposure rule..