iPhone 的相機跟相機的有什麼不同? - iOS

By Zora
at 2016-09-12T01:03
at 2016-09-12T01:03
Table of Contents
※ 引述《PPTer (PowerPoint Boy)》之銘言:
: 您認真?
您認真??你不懂相機的基本概念就別亂講了
: 非常簡單來說 照相功能主要看的就是感光元件大小
: 像是我的相機D5300 感光元件是23.5*15.6mm APS-C
: http://goo.gl/DYFjel
: 而iphone呢? 大概是鼻屎大小吧?
: http://goo.gl/kGrxSS
: 用這張圖表 以對角線長度排序來看 D5300大約是第三名
: iphone好像是1/3"的樣子 還在圖表外 排不進來
: 但是D5300才2400萬畫素 iphone的感光元件這麼小就自稱1200萬畫素
: 這1200萬哪來的? 全都是補來的 假的
其實都假的,你的D5300也假的,全世界只有Sigma出的相機跟LEICA M Monochrom是真的
相片的一個像素需要紅綠藍三個顏色資訊,
但感光元件一個像素只能感應紅綠藍其中一個顏色
所以一個感光像素如果只能感應紅,得靠隔壁的綠感光像素跟藍感光像素補
所以全世界有九成九的相機都是補來的,假的,都是靠演算法算出來的
: 就像人眼有盲點一樣
: 可是 盲點在平常用眼時 腦袋也會把空缺地方補齊
: 但是其實你沒有那個地方的影像資訊 你看到的都是假的
你把它類比作人眼,就真的代表你連補插點都不知道
以前數位相機像素還低的時候,有廠商用補插點去把300萬補成600萬
就像PS4 Pro只有FHD,卻用補插點補成4K
: 所以
: 當你把手機和相機的照片都放在電腦讓放大來看時
: 相機的細節會永遠比手機還要多
: 也就是因為這樣 以前某牌手機就譁眾取寵 故意做出個400萬畫素的手機
: 雖然觀念正確 可是輸出後很小張 也不見得有人會注意到相片細節 所以適得其反
: 另外 除了感光元件 鏡頭也很重要
: 相機鏡頭 好一點一顆要價2~10台iphone
: 至於手機鏡頭這種東西就算了 你看有手機廠把手機鏡頭設計凸出來磨
: 你會覺得這家重視鏡頭嗎?
: 或是 你覺得這家的鏡頭技術好嗎?
: 或是 你覺得手機能夠塞得下這這麼大片幅的感光元件和鏡頭嗎?
: 最後 不管相機還是手機
: 只要攝影技術和觀念好 都能拍出好照片
感光元件大小跟鏡頭大小是相關的,因為鏡頭有成像圈,鏡頭越小成像圈越小
感光元件小 -> 需要的成像圈小 -> 鏡頭小
相反的,大感光元件需要大鏡頭
手機的小感光元件因為要模組化,所以鏡頭都作定焦鏡沒辦法變焦
相機的大感光元件配的鏡頭,用大大的玻璃鏡片,所以光學品質一定屌打小小塑膠鏡片
光學品質好,一樣的1200萬像素,大感光元件的每個感光像素的平均面積當然大
再來就是各個相機廠都有自已的相片處理器
手機本來就有物理限制,別把它當作「手機廠重不重視鏡頭」的依據
--
: 您認真?
您認真??你不懂相機的基本概念就別亂講了
: 非常簡單來說 照相功能主要看的就是感光元件大小
: 像是我的相機D5300 感光元件是23.5*15.6mm APS-C
: http://goo.gl/DYFjel
: 而iphone呢? 大概是鼻屎大小吧?
: http://goo.gl/kGrxSS
: 用這張圖表 以對角線長度排序來看 D5300大約是第三名
: iphone好像是1/3"的樣子 還在圖表外 排不進來
: 但是D5300才2400萬畫素 iphone的感光元件這麼小就自稱1200萬畫素
: 這1200萬哪來的? 全都是補來的 假的
其實都假的,你的D5300也假的,全世界只有Sigma出的相機跟LEICA M Monochrom是真的
相片的一個像素需要紅綠藍三個顏色資訊,
但感光元件一個像素只能感應紅綠藍其中一個顏色
所以一個感光像素如果只能感應紅,得靠隔壁的綠感光像素跟藍感光像素補
所以全世界有九成九的相機都是補來的,假的,都是靠演算法算出來的
: 就像人眼有盲點一樣
: 可是 盲點在平常用眼時 腦袋也會把空缺地方補齊
: 但是其實你沒有那個地方的影像資訊 你看到的都是假的
你把它類比作人眼,就真的代表你連補插點都不知道
以前數位相機像素還低的時候,有廠商用補插點去把300萬補成600萬
就像PS4 Pro只有FHD,卻用補插點補成4K
: 所以
: 當你把手機和相機的照片都放在電腦讓放大來看時
: 相機的細節會永遠比手機還要多
: 也就是因為這樣 以前某牌手機就譁眾取寵 故意做出個400萬畫素的手機
: 雖然觀念正確 可是輸出後很小張 也不見得有人會注意到相片細節 所以適得其反
: 另外 除了感光元件 鏡頭也很重要
: 相機鏡頭 好一點一顆要價2~10台iphone
: 至於手機鏡頭這種東西就算了 你看有手機廠把手機鏡頭設計凸出來磨
: 你會覺得這家重視鏡頭嗎?
: 或是 你覺得這家的鏡頭技術好嗎?
: 或是 你覺得手機能夠塞得下這這麼大片幅的感光元件和鏡頭嗎?
: 最後 不管相機還是手機
: 只要攝影技術和觀念好 都能拍出好照片
感光元件大小跟鏡頭大小是相關的,因為鏡頭有成像圈,鏡頭越小成像圈越小
感光元件小 -> 需要的成像圈小 -> 鏡頭小
相反的,大感光元件需要大鏡頭
手機的小感光元件因為要模組化,所以鏡頭都作定焦鏡沒辦法變焦
相機的大感光元件配的鏡頭,用大大的玻璃鏡片,所以光學品質一定屌打小小塑膠鏡片
光學品質好,一樣的1200萬像素,大感光元件的每個感光像素的平均面積當然大
再來就是各個相機廠都有自已的相片處理器
手機本來就有物理限制,別把它當作「手機廠重不重視鏡頭」的依據
--
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iOS
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