发明名称 |
Real image type finder having cemented lens with at least one resin lens element |
摘要 |
A real image type view finder comprising at least one cemented lenses. Of the lens components constituting the cemented lens, a lens component is made of resin. The lens component may be made of material of high transmittance to ultraviolet rays.
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申请公布号 |
US5225927(A) |
申请公布日期 |
1993.07.06 |
申请号 |
US19900515957 |
申请日期 |
1990.04.27 |
申请人 |
ASAHI KOGAKU KOGYO K.K. |
发明人 |
NOZAKI, KATSUHIKO;ABE, TETSUYA |
分类号 |
G02B3/00;G02B7/02;G02B15/173;G02B15/177;G02B23/14;G03B13/06;G03B13/12;G03B15/05 |
主分类号 |
G02B3/00 |
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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