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发明名称
黑白照相负片正负像观察器
摘要
本实用新型公开了一种能够观察黑白照相负片正像和负像的装置,适用于黑白照相负片的观察。它是由正像光源、正像灯室、负片夹、暗室、负像光源、负像灯室、控制按钮和观察口组成,利用控制按钮控制正负像光源以及暗室盖片,便可从观察口看到黑白照相负片的正负像。
申请公布号
CN2030731U
申请公布日期
1989.01.11
申请号
CN87215911.6
申请日期
1987.11.28
申请人
朱云峰
发明人
朱云峰
分类号
G02B27/02
主分类号
G02B27/02
代理机构
代理人
主权项
1、观察黑白照相负片正负像的装置是由外壳(13)、正像光源(1)、正像灯室(2)、负像光源(12)、负像灯室(11)、暗室(8)、控制按钮(9)、观察口(4)组成,其特征在于: a、正像光源(1)由灯泡和反光板组成。 b、正像光源的投射角度为25°-70°之间。 c、正像灯室(2)与观察口(4)连为一体,并与负片夹(5)相接。 d、负片夹(5)与卷片装置(6)相连。 e、观察口(4)上还有一个可以翻动的凸透镜(3)。
地址
浙江省义乌县造纸厂供应科
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