REVERSAL OPTICAL SYSTEM
PROBLEM TO BE SOLVED: To make a reversal optical system of an optical device thin in thickness without raising cost. SOLUTION: This optical system is provided with a roof reflection mirror 102 and a prism 16a arranged to face each other. Light entering the prism 16a from an objective side exits towa...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | PROBLEM TO BE SOLVED: To make a reversal optical system of an optical device thin in thickness without raising cost. SOLUTION: This optical system is provided with a roof reflection mirror 102 and a prism 16a arranged to face each other. Light entering the prism 16a from an objective side exits toward the mirror 102, is reflected on the mirror 102, returned to the prism 16a, reflected on one surface of the prism 16a and advances to an eyepiece side. |
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