A camera is focused on a group of people 3 m from the lens, Ask an Expert

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A camera is focused on a group of people 3 m from the lens, wjocj jas a focal lenght of 50 mm = 0.05 m.

(a) What is the lens-to-film distance?

(b) What is the linear magnification?

(c) If the film height is 24 mm = 0.024 m, what is the maximum height of a person whose image can completely fit on the film?

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