发明名称 PASSIVE TYPE RANGE-FINDING DEVICE AND IMAGE FORMING LENS THEREFOR
摘要 PROBLEM TO BE SOLVED: To obtain a passive type range-finding device for forming an object image on a pair of CCD sensors by a pair of image forming lenses whose range- finding accuracy is improved by extending the focal distance of the image forming lenses without making a camera larger, and the image forming lens therefor. SOLUTION: Each image forming lens is constituted of a positive meniscus single lens having a convex surface on an object side.
申请公布号 JP2003015029(A) 申请公布日期 2003.01.15
申请号 JP20010200686 申请日期 2001.07.02
申请人 PENTAX CORP 发明人 EGUCHI MASARU
分类号 G01C3/06;G02B7/30;G02B13/00;G02B13/18;G03B13/36;(IPC1-7):G02B13/00 主分类号 G01C3/06
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