Definition

Noun: * A device used in photography to measure the intensity of light. Its primary function is to determine the correct settings for camera aperture and shutter speed to achieve a properly exposed photograph.

Usage

An exposure meter is an essential tool for photographers. It can be a standalone device or, more commonly, built into a camera. The photographer points the meter at the scene or subject, and it provides a reading of the light level. This reading is then used to manually or automatically adjust the camera's settings.

Examples

• Noun:
  • Before taking the portrait, she used an exposure meter to check the light falling on the subject's face.
  • Modern cameras have a built-in exposure meter that calculates settings automatically.
  • For the most accurate reading in tricky lighting, he relied on his handheld exposure meter.

Advanced Usage

• Incident vs. Reflected Light Metering: An exposure meter can measure incident light (the light falling onto the subject) or reflected light (the light bouncing off the subject). Handheld meters often measure incident light, while built-in camera meters measure reflected light.
• Spot Metering: A specialized type of reflected light metering where the exposure meter measures light from a very small, specific area of the scene, allowing for precise exposure control of that area.

Variants and Related Words

• Light meter: A common synonym for exposure meter.
• Photometer: A more general scientific term for an instrument that measures light intensity, which includes an exposure meter.

Synonyms

• Light meter
• Photometer (in the context of photography)

Related Phrases

• To take a meter reading: The action of using an exposure meter to measure the light.
  • He took a meter reading from the gray card to ensure accurate exposure.
• To meter for the highlights/shadows: To use the exposure meter specifically to set the exposure based on the brightest or darkest parts of a scene.
  • The scene had high contrast, so she metered for the shadows to preserve detail in the dark areas.

Noun

1. photographic equipment that measures the intensity of light