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Focus Recall

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Focus Recall

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This white paper describes what focus recall is and discusses the differences between autofocus, presets, and focus recall. Focus recall provides instant focus in predefined areas, making it easier to use a pan/tilt/zoom (PTZ) camera optimally in challenging lighting conditions. Focus recall makes it easy for the user to use a PTZ camera optimally in challenging lighting conditions, such as scenes with low contrast and point-shaped light sources, for example, strong headlights from meeting traffic.

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