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Image intensifier size

The input screen diameter of the image intensifier ranges from 4 inches to 16 inches. The booster with a small input screen is more flexible and cheaper to operate. The small image intensifier can slightly improve the resolution because the electrons from the photocathode hit the output screen with higher accuracy. However, the range of the patient’s body that the input screen can surround is limited. Larger intensifiers are more expensive and inflexible to operate, but they can provide a larger field of view and image enlargement opportunities.
The diameter of the input screen of the image intensifier should be larger than the diameter of the area on the patient’s body to be studied.



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