Prism system for image reversal in a visual observation path
Prism system (2) has prism (6) with pair of equi-angled surfaces on side opposite prism base (9) and light reflection prism (7) with light exit face (7') which is parallel to prism base of equi-angular prism. Surface of latter abutting light reflection prism acts as beam splitter (10'), pr...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | Prism system (2) has prism (6) with pair of equi-angled surfaces on side opposite prism base (9) and light reflection prism (7) with light exit face (7') which is parallel to prism base of equi-angular prism. Surface of latter abutting light reflection prism acts as beam splitter (10'), prism base and reflection prism light exit face having separate regions for passage of imaging beam and measuring display beam, allowing measuring display (4) to be inserted in viewed image. |
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