ENDOSCOPE OPTICAL SYSTEM
FIELD: medical engineering. SUBSTANCE: endoscope optical system has objective, ocular, image transmission system formed of number of erecting systems positioned in succession. Every erecting system consists of two biconvex components. Extreme components of erecting system are identical and glued of...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | FIELD: medical engineering. SUBSTANCE: endoscope optical system has objective, ocular, image transmission system formed of number of erecting systems positioned in succession. Every erecting system consists of two biconvex components. Extreme components of erecting system are identical and glued of three lenses. Glued surfaces are characterized negative optical force. Internal components of image transmission system are identical in form of ordinary rod-like lenses. EFFECT: simplified construction, enhanced reliability. 4 cl, 2 tbl, 5 dwgn |
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