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1)  telephoto magnification
远距离摄影放大[率]
2)  telephotographic lens
远距离摄影镜头
3)  photograph range
摄影距离
1.
Each CR photograph range was determined,combined with X-ray machine function,objective thickness and various position.
方法根据X线管焦点放大率和几何成像原理,求出最小焦点(F)-IP板的距离;综合考虑X机性能、被照体厚度和不同摄影部位,制定各部位摄影距离。
4)  far-range shadow
远距离阴影
5)  inverted telephoto lens
反远距摄影物镜
6)  macrophotography [,mækrəfə'tɔɡrəfi]
放大摄影术
补充资料:摄影4.直接成像彩色摄影


摄影4.直接成像彩色摄影
Photography 4. Instant Photography

化工百科全书第14卷化学工业出版社摄影4.直接成像彩色摄影shesheying摄zhijie ehengxiang eaise sheying 4.直接成像彩色摄影photography4·Instant Photography4.影赵凤玺北京电影学院1.2.2,1.2 .1.1.2 .1.2.2 .1 .3.2 .2.2 .3.2 .4.概述··········································……129原理··········································……130SX一70一步摄影彩色胶片的结构······……130负片部分··························,·········……130正片部分····································……131加工药液包·································……132彩色影像的形成···························……133波拉彩色影像成像························……134SX一70系统的照相机·····················……1343.举例·············~·······~···~·~··””····”·…1353.1.PR一10一步摄影彩色胶片··············……1353.1.1.PR一10胶片的结构,·······················……1353.1.2.PR一1。胶片的结构特点·········”·······……1363.1.3.显影过程和成色原理···················”……1363.2.波拉维申彩色电影体系···········“·“·……1373.2.1.波拉维申胶片的特点·····················……1383.2.2.波拉维申胶片的成色原理”···········””·…138基本参考文献··········································……1391.概述 胶片曝光后,不需进暗室冲洗印制,可立即获得彩色正像的彩色摄影过程称为“直接成像彩色摄影”,俗称“一步摄影”。它是利用扩散一转移的反转法原理获得影像的。 一步彩色摄影是在专门的照相机或摄影机内完成的。加工药品作为胶片单元的一个部分组合在一起,胶片曝光后,粘稠的加工药品立即被照相机的机械运动从药包中挤出而进入胶片层,其后的加工过程以一个单独的步骤,在胶片内密闭的条件下快速地进行。胶片被逐出相机后,一般可在几分钟内得到质量令人满意的彩色正像。
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