use of smaller apertures, which may increase the depth of field.
* An increase in the quality of the light source can allow more light to reach the camera sensor, potentially resulting in less noticeable noise and reducing image degradation.

Some document camera models integrate additional functionality into the light system, such as a synchronized light field or laser markers that indicate the size and position of the imaging area, adjusting simultaneously as the lens zoom.

Motherboard and firmware

The motherboard

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