A microscope has a length of 32.0 cm, an eyepiece with a focal length of 4.8 cm, and an objective lens with a focal length of 0.5 cm. (Assum the observer's near point distance is 25 cm and that they focus the microscope so that their eyes are relaxed.) For an object that is 0.18 mm across, what is the largest possible angular size (in radians ) of the object from the observer's perspective, without the microscope