Field of view (FOV) refers to the extent of the scene visible through a camera lens or optical device. It is the area that the lens can capture and display in the image, typically measured in degrees or as a specific width and height. A wider field of view allows more of the scene to be included in the frame, while a narrower field of view captures a smaller portion. The field of view is influenced by the lens's focal length and the size of the camera sensor.

英語での「field of view」の定義と意味

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