風景好幫手「ND減光鏡」
- sonypromotertw
- 2018年9月10日
- 讀畢需時 1 分鐘
減光鏡是拍攝風景時必要的輔助工具之一,ND減光鏡全名為Neutral density Filter,即是中性灰階濾光鏡,主要作用是負責過濾光線,會減弱光線的整體強度,並不會改變被攝體顏色,所以可真實呈現影像反差。
ND鏡依據減光程度不同主要區分為ND-2、ND-4、ND-8、ND-16、ND-32、ND-64、ND-400、ND-800、ND-1000等,ND減光鏡是能混搭用的,如果要讓效果不同或是創作,使用時建議將「保護鏡」取下,再裝上減光鏡進行使用
ND鏡的具體參數如下:
ND4 (0.6)減光兩格
ND8 (0.9)減光三格
ND16 (1.2)減光四格
ND32 (1.5)減光五格
ND64 (1.8)減光六格
ND256 (2.4)減光八格
ND1000 (3.0)減光十格 原文網址:https://read01.com/5MgA5kn.html
Q:如何計算減光格數?
A:
假設ND64->就是2的6次方,所是減6格,若ND4->2的2次方減2格

若數學不好,不會計算,現在也有APP可以輔助進行計算


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