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A simple camera telephoto lens consists of two lenses. The objective lens has a focal length...

A simple camera telephoto lens consists of two lenses. The objective lens has a focal length f1 = 39.5 cm . Precisely 36.3 cm behind this lens is a concave lens with a focal length f2 = -10.2 cm . The object to be photographed is 4.02 m in front of the objective lens.

A) How far behind the concave lens should the film be placed?

B) What is the linear magnification of this lens combination?

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