A lens for a 35-mm camera has a focal length given by f
A lens for a 35-mm camera has a focal length given by f= 49mm .A. How close to the film should the lens be placed to form a sharp image of an object that is 5.3mm away?di=__mmB. What is the magnification of the image on the film?m=__
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a lens for a 35-mm camera has a focal length given by f 49mm a how close to the film should the lens be placed to form
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