发明名称 |
Optical system for camera focussing, uses prism or combined prism and condenser to allow folding of beam to fit more compact housing and reduce coma aberration |
摘要 |
Use of prism to fold beam in a focussing system and provide ray passage along condenser central ray. Prism and condenser may be combined in one optical element The system includes a folding mirror reflector (25), a prism (35) and a condenser lens (31). There is also a lens (27a) and a line sensor (29).
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申请公布号 |
DE19948639(A1) |
申请公布日期 |
2000.04.27 |
申请号 |
DE19991048639 |
申请日期 |
1999.10.08 |
申请人 |
ASAHI KOGAKU KOGYO K.K., TOKIO/TOKYO |
发明人 |
SENSUI, TAKAYUKI |
分类号 |
G03B13/36;G02B7/28;G02B7/30;(IPC1-7):G02B7/36 |
主分类号 |
G03B13/36 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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