A photographic filter made of colored glass that modifies the light incident on a film by selectively absorbing colors. It is used when taking photographs through haze.
有色玻璃镜片，能够有选择地吸收某些色来修正胶片对光的感应效果。用于在烟雾中摄影。
The latent pigment is a kind of new material which is used as colorant, information material, photographic material and light filter.
隐颜料是用于着色以及信息记录、照相显影、滤光器等领域的新材料。
Digital camera to use commonly CCD photographic, sunshine for it is not CCD wavelength is accepted, so the use ultraviolet filter is not obvious.
数码相机一般使用CCD来感光，阳光波长对于CCD来说是不会被接受的，所以紫外线滤镜的用处已经很不明显了。
Pure Polypropylene Filter Elements and Yarn Winding Filter Elements are mainly used for chemical, food and beverage, plating, electronic, pharmaceutical, petro-chemical, photographic industries etc.
主要用于录音、录相带生产的磁浆过滤、化学溶剂、饮料、医药、化妆品、电镀液等的过滤。
Pure Polypropylene Filter Elements and Yarn Winding Filter Elements are mainly used for chemical, food and beverage, plating, electronic, pharmaceutical, petro-chemical, photographic industries etc.
主要用于录音、录相带生产的磁浆过滤、化学溶剂、饮料、医药、化妆品、电镀液等的过滤。
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