Illuminance
noun
Illuminance is the measure of how much light is received by a surface per unit area.
The illuminance in the room measured 300 lux, which is considered adequate for reading.
Usage tips
Neutral
luminous illuminance, photometric illuminance, uniform illuminance
noun
Illuminance is the measure of how much light is received by a surface per unit area.
The illuminance in the room measured 300 lux, which is considered adequate for reading.
Usage tips
Neutral
luminous illuminance, photometric illuminance, uniform illuminance
Definition 1 of 1
Pro Tip 1/3Technical Definition
Illuminance is a technical term, so it's most often used in scientific or engineering contexts.
In architectural design, understanding illuminance is crucial for creating effective lighting plans.
Pro Tip 2/3Comparative Measure
Illuminance can be compared to luminescence; however, illuminance measures light falling on a surface while luminescence refers to light emitted by a source.
When discussing lighting conditions, it's essential to differentiate between illuminance and general brightness.
Pro Tip 3/3Contextual Relevance
The term illuminance is more relevant in fields like photography, where understanding light exposure is vital.
Photographers often adjust camera settings based on the illuminance of their shooting environment.
Pro Tip 1/3Technical Definition
Illuminance is a technical term, so it's most often used in scientific or engineering contexts.
In architectural design, understanding illuminance is crucial for creating effective lighting plans.
Pro Tip 2/3Comparative Measure
Illuminance can be compared to luminescence; however, illuminance measures light falling on a surface while luminescence refers to light emitted by a source.
When discussing lighting conditions, it's essential to differentiate between illuminance and general brightness.
Pro Tip 3/3Contextual Relevance
The term illuminance is more relevant in fields like photography, where understanding light exposure is vital.
Photographers often adjust camera settings based on the illuminance of their shooting environment.
Pro Tip 1/3Technical Definition
Illuminance is a technical term, so it's most often used in scientific or engineering contexts.
In architectural design, understanding illuminance is crucial for creating effective lighting plans.
Pro Tip 2/3Comparative Measure
Illuminance can be compared to luminescence; however, illuminance measures light falling on a surface while luminescence refers to light emitted by a source.
When discussing lighting conditions, it's essential to differentiate between illuminance and general brightness.
Pro Tip 3/3Contextual Relevance
The term illuminance is more relevant in fields like photography, where understanding light exposure is vital.
Photographers often adjust camera settings based on the illuminance of their shooting environment.
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