The focal length of the human eye is approximately 17 cm
The focal length of the human eye is approximately 1.7 cm. What is the f-number for the human eye in bright light, when the pupil diameter is 3.0mm? What is the f-number in dim light, when the pupil diameter has expanded to 7.0mm?
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The focal length of the human eye is approximately 1.7 cm. What is the f-number for the human eye in bright light, when the pupil diameter is 3.0mm
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