Aberration compensating method for 45 degree color separation filter transmission color separation light path
The invention discloses a chromatic aberration compensation method of a 45-degree color separation filter transmission color separation optical path and is used for compensating the chromatic aberration of the 45-degree color separation filter transmission color separation optical path. The inventio...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses a chromatic aberration compensation method of a 45-degree color separation filter transmission color separation optical path and is used for compensating the chromatic aberration of the 45-degree color separation filter transmission color separation optical path. The invention adopts a method of inserting a spherical lens with zero focal power in off-axis arrangement in the 45-degree color separation filter transmission color separation optical path to compensate the system chromatic aberration induced by the color separation filter. The chromatic aberration compensation method has the advantages that the light transmission rate of the system is high and does not influence the focus of the main system. |
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