作者查詢 / jyhlih
作者 jyhlih 在 PTT [ Physics ] 看板的留言(推文), 共9則
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22F推: R.I.P.03/14 16:14
3F→:再加這個 http://en.wikipedia.org/wiki/Exposure_value01/12 22:57
5F→:f/8=>N=8,t=1/100 則EV=12.64。問同樣的EV,f/4 則t=?01/13 10:35
6F→:公式在wiki上,下面也有表可以查(有近似值)。對於專業攝影01/13 10:37
7F→:師,這題是瞬答(不過九成拿相機的答不出來..^^汗)01/13 10:38
9F→:same object01/13 15:11
12F→:關鍵字Knife Edge Diffraction(刀緣繞射) 和光圈星芒一樣01/11 17:49
1F推:非偏振光經過偏光片,穿過去的能量會少一半01/02 23:39
1F推:請自己畫一下圖,只要知道成像的位置,答案就出來了01/02 16:52
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