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作者 G2S 在 PTT [ DSLR ] 看板的留言(推文), 共164則
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15F推: 30吋如果不是在1~2年內買的話應該不是4k07/22 04:14
16F→: 會是2560x160007/22 04:14
17F→: 大概400萬畫素的解析度07/22 04:15
13F→: F值是一個方便計算進光量的參數之一06/24 19:06
14F→: 不過並不"完全"等於實際的進光量06/24 19:07
15F→: 實際進光量可由T光圈值得知06/24 19:08
16F→: 像是某些大光圈鏡頭 全開光圈的情況下06/24 19:09
17F→: 進光量不會比縮一級多一倍06/24 19:10
18F→: 例如 Sigma 35mm f1.4 art.....06/24 19:11
19F→: 在光圈大於2.0的情況下 需要進行曝光補償06/24 19:13
25F→: 原來是因為考慮到噪訊和畫素數量的關係,真是長知識了,謝謝s04/21 22:18
26F→: plendidpoem大大的解答04/21 22:18
15F推: http://goo.gl/JJbwXM 5D2的非線性ISO04/18 08:49
16F→: ISO用160或160倍數會有相對較好的雜訊表現04/18 08:50
20F推: 被關在記憶卡裡04/18 08:56
4F推: 24-70 F2.0呢!04/06 15:29
69F噓: 噓片幅 一個積非成是的用法03/25 04:16
9F推: 會發現到色溫差異需要到上百度以上吧03/19 07:53
10F→: 例如燒紅的排氣管或木炭 會因為感光原件會偵測到少許的紅外線03/19 07:54
11F→: 而產生高溫物體偏一點點藍色或紫色03/19 07:54
12F→: http://goo.gl/EaQfwG03/19 07:57
46F推: 鏡頭的好壞不應該只看價位,那兩顆鏡頭取向完全不同02/29 02:02
47F→: 50 F1.8 那顆畫質不輸24-70的02/29 02:03
13F推: 這篇文章把電影鏡頭和相機鏡頭的差別講得蠻清楚 http://goo.g02/15 09:49
14F→: l/At3B1C02/15 09:49
15F→: http://goo.gl/At3B1C02/15 09:50