Determine the closest object that can be photographed

Reference no: EM13519034

A camera lens used for taking close-up photographs has a focal length of 21.5 mm. The farthest it can be placed from the film is 30.0mm.

(a) What is the closest object that can be photographed?

(b) What is the magnification of this closest object?

Reference no: EM13519034

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