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What is the lateral magnification of this lens combination?

A simple camera telephoto lens consists of two lenses. The objective lens has a focal length f1
cm. The object to be photographed is 3.92 m in front of the objective lens. How far behind the concave lens should the film be placed?
= +40.8 cm. Precisely 36.6 cm behind this lens is a concave lens with a focal length f2 = -14.8

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