What is the magnification of the image on the film

Reference no: EM13273216

A lens for a 35-mm camera has a focal length given by f = 54mm. How close to the film should the lens be placed to form a sharp image of an object that is 4.5m away?

di=_______mm

What is the magnification of the image on the film?

Reference no: EM13273216

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