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22C-D060A103
22C-D060A103
22C-D060A103
大部分镜头在前端都有滤镜螺纹接口,可以安装各种滤镜。这些滤镜可以实现各种效果,比如为场景增加色彩,帮助压暗场景,增加特殊效果以及其他等等。
滤镜接口
不同的镜头有不同的滤镜接口。通常接口尺寸会标注在镜头前端或镜筒上。找到类似Ø=67mm这样的标识,那就是滤镜尺寸。
方形滤镜
有一种滤镜是“插入式”的方形滤镜,而不是常见的圆形。它的好处是不用为不同尺寸的镜头购买单独的滤镜,只需要更换不同的滤镜座,就可以使用同一套滤镜。
用滤镜保护镜头
很多摄影师会在镜头前装一片天光镜或UV镜来保护镜头。因为滤镜比镜头便宜得多,也更容易更换。
使用滤镜会对画质造成轻微的损失。这是一个有关成本/收益的问题:你是否愿意牺牲一点画质来换取。相反,你也可能认为这样做不值得。
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