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There are two types of magnification: linear and angular. * '''[[Angular magnification]]''' is the ratio of the angle subtended at the eye by the im

...amwidth''' (/bi:m.wɪdθ/), in the context of medical imaging, refers to the angular or linear width of a beam of ultrasound, X-ray, or other forms of medical i Beamwidth is the measure of the angular or linear spread of energy in a beam of ultrasound, X-ray, or other forms o