引入雙鏡的 Xperia XZ2 Premium 將帶來 - 手機討論

By Andy
at 2018-04-16T23:19
at 2018-04-16T23:19
Table of Contents
※ 引述《olmtw (支持htc,支持台灣貨)》之銘言:
: → shankstrf : 請看清楚我是針對超高ISO,不要看到黑影就開槍 04/16 21:46
: → shankstrf : 況且這種超高的ISO出發點本意就是在拍靜物 04/16 21:48
: → shankstrf : 不然單眼H1以上的範例圖片不是銀河就是極光? 04/16 21:49
: → shankstrf : 拿超高ISO拍動態就跟夜景用HDR一樣,還沾沾自喜 04/16 22:00
ISO、光圈、快門。
不管是光圈放大、快門減慢、ISO拉高,為的都是讓照片由足夠的曝光。
超高ISO也是如此。
今天在光源不足的地方,光圈無法變動或是維持一定景深,
快門又必須維持在一定速度的情況下,
ISO就勢必拉高,越高的可用ISO、越高的ISO上限值,就能換取到越大的調整。
大多數情況下不會去這麼做,但是拍動態OIS是無用武之地的,這時候就得靠
光圈或ISO去維持。
所以你在昏暗的環境要拍攝跑動的小孩,快門絕對不會是1/8或1秒
而是1/60甚至更快,你用1秒去拍,OIS確實不會讓你手震,但是被攝物因為
快門過慢導致移動殘影,你一樣得面對模糊的照片。
這沒啥好沾沾自喜,因為你不這麼做照片就是拍不下來。
自己去買台二手DSLR開M模式拍拍就知道。
再來HDR也是個工具,只要反差大,要用有何不可?NIKON、M4/3都有人在用。
OIS的用途反而比較偏向靜態,就算不看超高ISO
你也不可能用1/8秒的快門去拍一個正在動的小孩或是寵物。
--
: → shankstrf : 請看清楚我是針對超高ISO,不要看到黑影就開槍 04/16 21:46
: → shankstrf : 況且這種超高的ISO出發點本意就是在拍靜物 04/16 21:48
: → shankstrf : 不然單眼H1以上的範例圖片不是銀河就是極光? 04/16 21:49
: → shankstrf : 拿超高ISO拍動態就跟夜景用HDR一樣,還沾沾自喜 04/16 22:00
ISO、光圈、快門。
不管是光圈放大、快門減慢、ISO拉高,為的都是讓照片由足夠的曝光。
超高ISO也是如此。
今天在光源不足的地方,光圈無法變動或是維持一定景深,
快門又必須維持在一定速度的情況下,
ISO就勢必拉高,越高的可用ISO、越高的ISO上限值,就能換取到越大的調整。
大多數情況下不會去這麼做,但是拍動態OIS是無用武之地的,這時候就得靠
光圈或ISO去維持。
所以你在昏暗的環境要拍攝跑動的小孩,快門絕對不會是1/8或1秒
而是1/60甚至更快,你用1秒去拍,OIS確實不會讓你手震,但是被攝物因為
快門過慢導致移動殘影,你一樣得面對模糊的照片。
這沒啥好沾沾自喜,因為你不這麼做照片就是拍不下來。
自己去買台二手DSLR開M模式拍拍就知道。
再來HDR也是個工具,只要反差大,要用有何不可?NIKON、M4/3都有人在用。
OIS的用途反而比較偏向靜態,就算不看超高ISO
你也不可能用1/8秒的快門去拍一個正在動的小孩或是寵物。
--
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