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  • Title: [Choice of the shape of the edge zone of a square field diaphragm in flexible endoscopes].
    Author: Nemirovskiĭ ME.
    Journal: Med Tekh; 1985; (5):20-2. PubMed ID: 4079707.
    Abstract:
    The choice of the adequate relation K = R/a is discussed, where R is a corner radius of the field diaphragm used in flexible endoscopes with a square cross-section of the light zone in output faces of the regular bundle, and a is a distance from the diaphragm axis to the internal edge of its sides. When defining the above relation the design of the distal endoscopic head and its built-in components should be taken into consideration.
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