发明名称 EYEPIECE OPTICAL SYSTEM AND ELECTRONIC VIEWFINDER
摘要 Provided is an eyepiece optical system (10) that projects an image displayed on an image display device (15) disposed on an image surface side (22) onto an eye (5) disposed on an emission side (21), and comprises from the emission side to the image surface side: a first lens (L1) having positive refractive power and protruding to the emission side: a meniscus type first cemented lens (B1) having negative refractive power and protruding to the emission side, the lens being formed by bonding a second lens (L2) having positive refractive power and a third lens (L3) having negative refractive power; a meniscus type fourth lens (L4) having positive refractive power and protruding to the emission side; and a meniscus type second cemented lens (B2) having positive refractive power and protruding to the emission side, the lens being formed by bonding a fifth lens (L5) having positive refractive power and a sixth lens (L6) having negative refractive power.
申请公布号 WO2017022670(A1) 申请公布日期 2017.02.09
申请号 WO2016JP72353 申请日期 2016.07.29
申请人 NITTOH KOGAKU K.K. 发明人 MOCHIZUKI, Keiichi
分类号 G02B25/00;G02B13/16;G02B13/18;G02B27/02 主分类号 G02B25/00
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