現在夜拍是拍的越像白天越強嗎? - 手機討論
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By Bennie
at 2019-06-03T12:09
at 2019-06-03T12:09
Table of Contents
你可能不知道「接近肉眼真實的感覺」到底有多難。
首先,你可能不知道肉眼 + 人腦有多厲害。
人眼的感光細胞,是動態 ISO 的。
有些細胞感光高光,有些低光。
比如,感光高光的那部分 ISO 100,低光的那部分 ISO 12800,而這是同時的。
大家都有一種經驗,你看一張桌子,桌上有燈光,你會發現桌下的暗處你還是看得清楚。
但相機拍照必然是低光欠曝或高光過曝,因為他的 ISO 同時間只能有一種。
之前就有研究,人眼的動態範圍可以高達 10 EV 以上
加上人腦這個超級電腦,自動合成 HDR。
你所謂「接近肉眼真實的感覺」現在沒透過後製根本做不到,而且這個後製的前提要求
還是需要用到動態包圍曝光、HDR、足夠高的動態範圍才能做到。
現在手機在物理上的限制,光是動態 ISO 就不可能了。
且一般來說,感光元件弱的是暗部能力,所以為什麼要提高亮度,因為要記錄暗部。
另外超級夜景模式,你去看看 google demo 的圖,那個模式基本上是設計來讓你把
「連肉眼都看不清楚的超低光場景」,能完整保留細節地拍出來。
你拿超級夜景去拍一般夜景,當然會覺得怎麼那麼亮。
因為原始設計的超低光場景,就是必須提高亮度來讓該場景能「看得到」。
※ 引述《ToyotaPrius (頭又大批4)》之銘言:
: 各家手機現在都推出超級夜景模式
: 畫面亮度很夠 細節很有
: 但跟你肉眼看的就不一樣的東西
: 難道越亮就是夜拍越強?
: 我反而喜歡,接近肉眼真實的感覺
: 只要不要都拍不到,低光源就讓他暗點不是很好?
: 完全不懂攝影的小小跟大家討論一下
--
首先,你可能不知道肉眼 + 人腦有多厲害。
人眼的感光細胞,是動態 ISO 的。
有些細胞感光高光,有些低光。
比如,感光高光的那部分 ISO 100,低光的那部分 ISO 12800,而這是同時的。
大家都有一種經驗,你看一張桌子,桌上有燈光,你會發現桌下的暗處你還是看得清楚。
但相機拍照必然是低光欠曝或高光過曝,因為他的 ISO 同時間只能有一種。
之前就有研究,人眼的動態範圍可以高達 10 EV 以上
加上人腦這個超級電腦,自動合成 HDR。
你所謂「接近肉眼真實的感覺」現在沒透過後製根本做不到,而且這個後製的前提要求
還是需要用到動態包圍曝光、HDR、足夠高的動態範圍才能做到。
現在手機在物理上的限制,光是動態 ISO 就不可能了。
且一般來說,感光元件弱的是暗部能力,所以為什麼要提高亮度,因為要記錄暗部。
另外超級夜景模式,你去看看 google demo 的圖,那個模式基本上是設計來讓你把
「連肉眼都看不清楚的超低光場景」,能完整保留細節地拍出來。
你拿超級夜景去拍一般夜景,當然會覺得怎麼那麼亮。
因為原始設計的超低光場景,就是必須提高亮度來讓該場景能「看得到」。
※ 引述《ToyotaPrius (頭又大批4)》之銘言:
: 各家手機現在都推出超級夜景模式
: 畫面亮度很夠 細節很有
: 但跟你肉眼看的就不一樣的東西
: 難道越亮就是夜拍越強?
: 我反而喜歡,接近肉眼真實的感覺
: 只要不要都拍不到,低光源就讓他暗點不是很好?
: 完全不懂攝影的小小跟大家討論一下
--
Tags:
手機
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at 2020-02-17T12:42
at 2020-02-17T12:42
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By Mia
at 2020-02-21T09:29
at 2020-02-21T09:29
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By Dorothy
at 2020-02-25T06:16
at 2020-02-25T06:16
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By Damian
at 2020-02-29T03:04
at 2020-02-29T03:04
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By Audriana
at 2020-03-03T23:51
at 2020-03-03T23:51
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By Ivy
at 2020-03-07T20:38
at 2020-03-07T20:38
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By Quanna
at 2020-03-11T17:25
at 2020-03-11T17:25
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By Candice
at 2020-03-15T14:12
at 2020-03-15T14:12
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By Damian
at 2020-03-19T10:59
at 2020-03-19T10:59
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By Olive
at 2020-03-23T07:46
at 2020-03-23T07:46
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By Agnes
at 2020-03-27T04:33
at 2020-03-27T04:33
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By Jake
at 2020-03-31T01:20
at 2020-03-31T01:20
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By Belly
at 2020-04-03T22:07
at 2020-04-03T22:07
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By Hedda
at 2020-04-07T18:54
at 2020-04-07T18:54
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By Andy
at 2020-04-11T15:41
at 2020-04-11T15:41
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By Mary
at 2020-04-15T12:28
at 2020-04-15T12:28
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By Dora
at 2020-04-19T09:15
at 2020-04-19T09:15
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By Frederic
at 2020-04-23T06:02
at 2020-04-23T06:02
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