[情報] SONY新的APCS感光元件
繼續上周的情報, SONY新的APCS又有新的技術細節出現.
http://digicame-info.com/2014/11/apcs.html
http://www.sonyalpharumors.com/wp-content/uploads/2014/11/structure1.png

原理是移動元件上的color filter與RGB濾鏡, 做三次曝光.
例如 : 曝光, 取得紅色(1/16ms) => 濾鏡平移(1/192ms) => 取得綠色(1/16ms)
=> 濾鏡平移(1/192ms) => 取得藍色(1/16ms)
過程共花費 3/16ms + 2/192ms來取得色彩資料.
好處是同一點進行曝光, 增加點距
進光量增加60%
電路高度減少80%
減少暗電流效應
native ISO為5120 , dynamic range為21.282Evs (127.69db)
ex: D4在ISO100時DR為14.33Ev ISO6400為9.23Ev (DXO)
2K錄影輸出時可達16000frame/s ,4K錄影時為240frame/s
不過digicame對於移動物體與長時間曝光的處理仍有疑問.
這.....記憶卡不會瞬間爆掉嗎...
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