Glossary
aliasing: The visible jagged lines or object edges in a digital image file caused by varying tonal contrast of adjacent pixels.
ambient exposure: When shooting at night, the passive light within a scene, ranging from artificial illumination to the last remnants of light at dusk. These relatively low light levels come to life during an extended exposure.
ambient light: The natural light in any scene falling on the subject.
aperture in a lens.: The opening on a lens that controls the amount of light that reaches the sensor. Apertures are measured in f-stops such as f/5.6 or f/22. The lower the aperture, the wider the opening. A lens that has an aperture that can open wider than another lens is considered a “faster” lens. The aperture is ...
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