[討論] 3:2是平板的黃金比例?!
今天心血來潮研究了一下螢幕比例的問題。
我發現這世界很不幸的影片與文書的紙張比例非常不同。
現今主流影片屬較寬的比例(約 > 1.6),如16:9 = 1.77:1。
紙張屬較窄的比例(約 < 1.6),如A4的1.41:1。
若螢幕跟被顯示的來源比例不合,會造成黑邊(black box)或裁切(crop)的問題。
所以螢幕跟來源比例愈相近愈好。
所以拿一台16:9的平板看A4的文件,若想放到滿版,不太適合。
反之拿一台4:3的平板看16:9的電影,也不太適合。
iPad特別選了較接近紙張的4:3 = 1.33:1,但對寬螢幕電影並不是很好的比例。
我發現SP3選得比例很聰明,3:2 = 1.5:1。
1.5的比率既接近A4的1.41,也比1.33接近16:9電影的1.77。
所以平板若拿來作影音、文書兩用:橫著看電影、直著看文件。
1.5看來是比1.33更好的比例。
(至於16:10的Macbook就不要拿來比了,因為很少人會把它拿來直著看文件XD)
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