產(chǎn)品簡介: 富士NeutralDensity(ND)Filters濃度補(bǔ)正濾色片簡稱減光片,應(yīng)用于照相時(shí)在沒有辦法或不改變光源強(qiáng)度的情況之下,可以精確的調(diào)整曝光量,使得能夠在想要的光圈與快門速度條件下,拍攝特殊效果的景物。在LCD液晶顯示器產(chǎn)業(yè),NDFilter常被用來減低面板亮度,以便在各種不同亮度條件下檢查液晶表面波紋和亮點(diǎn)缺失,以及其它各種FPD之檢測應(yīng)用。NDFILTER尺寸:標(biāo)準(zhǔn)尺寸:7.5cm?7.5cm特別訂購尺寸:10cm?10cm、25.4cm?30.5cm及其它規(guī)格標(biāo)準(zhǔn):ND-1.0= Density ND= NeutralDensity 產(chǎn)品規(guī)格種類透光率%容許值(A光源)ND-0.179.4577.70~81.20ND-0.263.1060.02~66.00ND-0.350.2047.90~52.50ND-0.439.8538.00~41.70ND-0.531.7029.50~33.90ND-0.625.2023.50~26.90ND-0.720.0018.60~21.40ND-0.815.9014.80~17.00ND-0.912.6011.70~13.50ND-1.010.109.09~11.00ND-1.26.005.40~6.60ND-1.53.002.80~3.50ND-2.00.950.70~1.20A光源/色溫度K=2854;C光源/色溫度K=6740 應(yīng)用組合計(jì)算方式透光率配合商品計(jì)算式:結(jié)果1% ND-2.0 Y=0.95%2% ND-0.2+ND-1.5 63.10%?3.00%=1.89%3% ND-1.5 3.00%4% ND-0.4+ND-1.0 39.85%?10.10%=4.03%5% ND-0.3+ND-1.0 50.20%?10.10%=5.07%6% ND-1.2 6.00%8% ND-0.1+ND-1.0 79.45%?10.10%=8.02%10% ND-1.0 10.10%