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Testers designed to verify the image quality of endoscopes. These testers typically consist of a measuring unit capable of assessing the optical and mechanical characteristics of rigid and/or flexible endoscopes. These testers may include appropriate attachments for testing endoscopes that include fiberoptic cables and/or video systems. Image quality endoscope testers can usually assess the field of view, direction of view, and image sharpness of the endoscope; they may also determine other values of the image quality of an endoscope, such as the apparent field of view, distortion, transmission, and fiberoptic illumination brightness and distribution. Image quality endoscope testers are used to assess the status of new endoscopes, during preventive maintenance procedures, and before and after endoscope repair.
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