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The focal length of the lens of a simple film camera is 40. 0 mm. By what amount should the distance between the lens and the film be increased or decreased to change the focus from a person who is 25
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The focal length of the lens of a simple film camera is 40. 0 mm. By what amount should the distance between the lens and the film be increased or decreased to change the focus from a person who is 25 m from the lens to one who is 4. 0 m from the lens?.

User Senerh
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Answer:

it should be decreased just so the camera focal can actually Focus properly

User Jan Paepke
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