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Lexeme: focal length  
Very Rare (0.01)
Definition:
  1. noun. Focal length refers to the distance between a camera lens and the image sensor when an object is in sharp focus. It is usually measured in millimeters (mm) and determines the angle of view and magnification of the captured image. A longer focal length creates a narrower field of view and higher magnification, while a shorter focal length provides a wider field of view and lower magnification. GPT3.5
Word Forms:
  • noun. focal length (singular), focal lengths (plural)
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