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What is Center Beam Candlepower (CBCP)

Horace He

Last Updated: December 26, 2023

What is Center Beam Candlepower (CBCP)

Center Beam Candlepower (CBCP) is the luminous intensity at the center of the beam emitted by a lamp or luminaire. It is a metric used to measure the concentration of light in the central area of the beam. The point of maximum intensity in a symmetrical beam is typically located at the center. CBCP is often expressed in candelas (cd) and is considered an important measurement when aiming lighting in a specific direction.

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The CBCP value indicates the brightness and focus of the light source, making it particularly relevant for applications where directed illumination is required. For example, flashlights and spotlights tend to have a high CBCP, as they are designed to concentrate the light in a specific direction. On the other hand, fluorescent tubes typically have a lower CBCP, as their light output is more evenly distributed.

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