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.
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
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