Definitions
- Referring to the amount of light that falls on a surface per unit area. - Talking about the measurement of light intensity in a specific location. - Describing the brightness of a light source as it is perceived by the human eye.
- Describing the level of light emitted by a light source. - Referring to the intensity of light as perceived by the human eye. - Talking about the degree of lightness or darkness of a color or image.
List of Similarities
- 1Both words relate to the concept of light.
- 2Both words describe the intensity of light.
- 3Both words can be used to describe light sources.
What is the difference?
- 1Usage: Illuminance is typically used in technical or scientific contexts, while brightness is more commonly used in everyday language.
- 2Measurement: Illuminance is measured in lux, while brightness is not measured in any specific unit.
- 3Focus: Illuminance focuses on the amount of light falling on a surface, while brightness focuses on the intensity of light as perceived by the human eye.
- 4Subjectivity: Brightness is subjective and can vary from person to person, while illuminance is objective and can be measured with instruments.
- 5Scope: Illuminance is a more specific term than brightness, which has a broader range of meanings.
Remember this!
Illuminance and brightness are both related to the concept of light and describe its intensity. However, illuminance is a more technical term used to measure the amount of light falling on a surface, while brightness is a more general term used to describe the intensity of light as perceived by the human eye.