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D80, 400D, A100雜訊測試出爐!(dcview)


馬克蘇 wrote:

至於tim_13x兄說的分版,小弟並不贊同,相機不過是工具,不同品牌就不是相機嗎?為了不同品牌而讓大家互相分享的樂趣少了很多,小弟認為划不來
...


嗯嗯,這的確也是,我也是一進來可以看到各種測試及報告,對新手選機是個很好的地方。只是,各家匯集,爭吵的情況更多了,實在是很難取捨啊!
雖然我們無法改變他人的攝影之路, 但是可以問問自己喜歡如何成長, Learning to See是我惕勵的文章, 如果你願意的話, 不妨聽聽這位攝影大師如何看待現在的DSLR測試評論: (看的懂最好, 看不懂也沒關係, 世界還是繼續轉!)

Vision, Not Technology

Possibly the biggest curse of the digital photography revolution is that it has excessively focused photographer's attention on technology, rather than vision. We now have tools that allow us to take very sharp pictures indeed, but a sharp photograph of a fuzzy concept is of little interest or value to anyone.

Why then do the majority of photographers, magazines and enthusiast web sites concentrate almost exclusively on gear, secondarily on technique, and hardly at all on how to see? The answer is simple – it's easier.

I can explain, for example, how depth of field works. If I'm a good teacher you can learn about this aspect of photography fairly easily, and then quickly put that knowledge into practice in your own work. If how best to use a certain tool in Photoshop is what you're looking for, then the numerous tutorials on this site will be found useful. And, if you're like some 85% of visitors to this site, you'll likely first turn to the equipment reviews.

Why? Because – in order;

– an understanding of basic photographic technique must precede any form of competence

– utilizing contemporary tools is one of the cornerstones of the digital zeitgeist

– the belief persists that good equipment helps photographers take good photographs

Of course it is the later partial fallacy that trips most people up. The pitfall being the use of the word "good". Of course the best cameras and lenses can produce images of superior technical quality to gear that is less capable. Similarly, having an understanding of the photographic basics is a prerequisite for anyone who wishes to master their craft. And, unless one wants to learn the tools and techniques of the traditional darkroom, learning Photoshop has to be high on most photographer's to-do lists.

But, a good photograph isn't measured in line pairs per millimeter, MTF functions, S/N calculations, or any of the other measurements that photography enthusiasts recite like religious mantras. The most important tools that are used to take good photographs are the human eye, the human brain, and the human heart.

yuanleex wrote:
測試結果漂亮..不代表實戰就好....


從您這句話的意思,我推斷您的本意應該是說,DCVIEW 測試說 D80 結果漂亮,但實戰不太好。但我看了您提供的 link,D80 在 ISO1600 真的比 400D 還要好耶!(旁邊 A100 感覺上就像來亂的)。

Beginner wrote:
從您這句話的意思,我推斷您的本意應該是說,DCVIEW 測試說 D80 結果漂亮,但實戰不太好。但我看了您提供的 link,D80 在 ISO1600 真的比 400D 還要好耶!(旁邊 A100 感覺上就像來亂的)。


D80雜訊的確比較少..
但相對的白牆和樹的細節都消失了..
這樣好不好..
見人見智了...
大哥啊
這篇文章是有道理也寫的不錯
但重點是回在這裡根本文不對題
照你這樣講所有評測器材的文章都可以用一句拍攝者比器材重要一言解釋
那也不必測試評論器材
廠商也沒必要浪費錢去發展新技術了

對攝影來說器材不是最重要的事沒錯
但並不代表在評器材好壞的時候可以把這句當藉口而脫離主題

millerliu wrote:
雖然我們無法改變他人...(恕刪)
yuanleex wrote:
但相對的白牆和樹的細節都消失了..


嗯~你不講白牆還真的沒注意到,我原本在看的是左邊牆壁上的細節紋路,D80 與 400D 都有,然後下方的欄杆也都有維持住。您說的樹葉方面我比較沒有感覺,說不出來 400D & D80 有什麼差異,但那面白色有皺紋的牆壁,就真的可以看出來 D80 幾乎是抹平了。
yuanleex wrote:
D80雜訊的確比較少..
但相對的白牆和樹的細節都消失了..
這樣好不好..
見人見智了...



@@....還真的是這樣
yuanleex wrote:
從您這句話的意思,我推斷您的本意應該是說,DCVIEW 測試說 D80 結果漂亮,但實戰不太好。但我看了您提供的 link,D80 在 ISO1600 真的比 400D 還要好耶!(旁邊 A100 感覺上就像來亂的)。


關於甚麼樣的雜訊處理方法才算好,每個人有自己評判的標準。
對於這幾張照片,如果我們重點觀察左下方的樹葉叢的話。
很清楚的能看出,400D 和 α100 走的是保存細節這一路,到最後都還能有看清樹葉的感覺,
只是算法上400D明顯高出α100一籌,以至後者看起來像亂來一樣
和他們相異的是D80,走的是平滑相近色彩這個辦法,所以到了最後幾張畫面相對干凈,
但是感覺樹葉都粘在了一起,連成一片一樣。

這兩種套路大家各花入各眼吧,小弟是比較喜歡400D和α100的路子,呵呵。

其實最好還是相機的AI再智能一點,遇到類似樹葉的用400D法,遇到墻壁的用D80法。。。我也是亂來的了。。

Beginner wrote:
從您這句話的意思,我...(恕刪)

看完連結後D80的細節部分好像比較差耶~

如果有原圖1:1應改比較好....不過,a100高iso實在....
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