紅外截止濾光片(又叫紅外濾光片吸熱過濾片)是一種應用於過濾紅外波段的濾鏡。比如裝在白熾光燈的設備上(如:幻燈片投影機)可以阻擋不必要的熱度灼傷鏡頭,裝在固態電子器件(CCDCMOS)的攝影機上,可以阻止紅外線穿過攝像機的鏡頭造成圖片失真。典型的紅外濾鏡通常以藍色鏡片為主,但仍會阻隔可見光波段較長的紅光。

紅外截止濾光片,攝影用

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