D800 LCD色偏[4/20 日本第六次回信]


jim9508 wrote:
新的煩惱,開始對35 1.4G光圈全開的準焦與否鑽牛角尖...(恕刪)


小弟也發現自己的24 1.4G也很難搞
合焦聲逼來逼去,鏡頭也自己也轉來轉去
但是有時候卻又很穩定 (穩定的準、也穩定的不準)
也不確定是否跟D800有關
因為拿別的鏡頭去拍又都很準
目前只能用AF-C來應付難搞的24G
稍微提高一點成功率

jenhoxen wrote:
這點感覺恰巧說反了,是D800的螢幕色溫(基準白點)比D700高,所以相同的顏色在D800上偏黃,而在D700上偏藍



色溫越高, 顏色越冷 (偏藍/灰, 如陰天)
色溫越低, 顏色越暖 (偏橙黃, 如烏絲燈)

你指出"例如白平衡設5000K拍燈泡得到黃色,而設2700K得白色" 是相機對色溫的反向修正結果來
感覺官方開始在打官腔了第五次回覆根本沒意義的回答@@
只是針對我的問題回覆吧,至於說得很籠統,可能是他們資料沒打算公開,又或著是怕說太複雜我會不懂?

畢竟這也不是他們公開的說法,只是email的回信,所以就不要太苛求了

abaozx wrote : 感覺官方開始在打官腔了第五次回覆根本沒意義的回答@@...(恕刪)
今天拿到相機了,試拍了一下,沒感覺徧綠,我是在室內黃光下試拍的,反而覺得白平
室內是比較感覺不出來的。
有空去戶外拍拍看,或許您也不覺得有偏就是了,每個人感覺不太相同,現在已經不想那麼多就是了

abaozx wrote : 今天拿到相機了,試拍了一下,沒感覺徧綠,我是在室內黃光下試拍的,反而覺得白平...(恕刪)

jim9508 wrote:
室內是比較感覺不出來...(恕刪)


別想太多了 走吧 拍照去
饅頭的部落格:http://blog.yam.com/tsung1979

jim9508 wrote:
室內是比較感覺不出來...(恕刪)


用手機拍的螢幕的照片..


這是實際出圖


感覺差不了多少..@@
這周會出去玩 再多試一些.....
http://blog.yam.com/abaoz
4/20 日本回信內容如下:

Dear Sir,

We are sorry. Our English might cause you a trouble.

> Does the color space of D800 LCD covers sRGB and how about the coverage?

--> Yes, it does. However, we can not provide you exact range of coverage.
You might find some idea in the instruction manual for Nikon Capture NX2.

> In addition, how about D700/D3s?

--> Yes, D700/ D3s also cover sRGB color space. However, D800/800E cover
slightly wider range.
> and did your engineers figure out in what conditions will make the LCD shows more yellow&green than real color?

--> No, fundamentally it should reproduce real color on the LCD panel.
However, of course, it depends on the subject.
If there is wide yellow or green area in the a frame you feel yellow strongly.

the D800/800E monitor has been developed to reproduce more faithful colors
defined by the sRGB standard color space.
Unfortunately, we can not provide you exact range of
D3s/D700 also aimed to reproduce faithful color but it is not exactly the same
as D800/800E.

Regarding the condition that might cause more yellowish color on the LCD panel,
our engineers think that this characteristic affects every images regardless of
the shooting condition. However, this particular phenomenon is easy to be noticed
when the subject has wide area of yellow or green color.

我想這個問題大概就這樣告一個段落了,希望這棟樓對大家有所幫助。

國外媒體在比較D800與5DIII的同時也提到的LCD似乎偏“綠”的問題
後來在電腦中檢視時才發現這些“綠”其實並非LCD所造成
主要還是因為環境光在AUTO白平衡判斷造成偏綠所致
如果確實如此,就比較容易解決多了
希望下次Nikon韌體更新時能把這項修正加進去

參考網址:
http://www.youtube.com/watch?v=4W9EeDCaVFM&feature=channel&list=UL
( 6分10秒與12分30秒 )
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