Noise

GlossaryGlossary of Photography TermsNoise

Unwanted noise is evident in the photographs as grain or bright colored stains. Noise most often occurs when shooting in low light conditions.

In addition to the negative impact on the quality of data, noise also increases file size on memory cards.

Random noise

Occurs:

Due to insufficient amount of light
Due to high temperature of the sensor chip

When shooting under good lighting conditions, the level of random noise is almost zero.

Dark noise

Occurs:

During long image exposures
At high temperature
Due to the age of the image sensor

Amplified noise

Occurs:

At higher settings of ISO sensitivity

Eliminating noise

Choose a camera with a sufficiently large sensor chip and large sensing points
Manual setting the ISO sensitivity to a lower value
Use a tripod
Use a flash
Reduce exposure times
Use Noise Reduction
Use software programs

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