Re: [閒聊] 黑卡這鬼東西...
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※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 218.167.166.241
推
61.221.15.86 08/11,
61.221.15.86 08/11
→
61.221.15.86 08/11,
61.221.15.86 08/11
推
140.112.242.6 08/11,
140.112.242.6 08/11
→
220.132.206.182 08/11,
220.132.206.182 08/11
→
220.132.206.182 08/11,
220.132.206.182 08/11
ND鏡的計算方式其實可以很簡單
不用去理會減幾格,因為大部分的人要的是「快門時間」的變化
假設現在曝光值是F8,1/2秒
則使用ND8就是快門速度變成(1/2)*8=4秒
使用ND400就是快門速度變成(1/2)*400=200秒
使用ND1000就是快門速度變成(1/2)*1000=500秒
使用ND10000就是快門速度變成(1/2)*10000=5000秒
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※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 59.104.25.203
→
220.132.206.182 08/11, , 1F
220.132.206.182 08/11, 1F
推
219.84.2.60 08/11, , 2F
219.84.2.60 08/11, 2F
推
140.112.242.6 08/11, , 3F
140.112.242.6 08/11, 3F
推
220.132.160.137 08/11, , 4F
220.132.160.137 08/11, 4F
→
140.109.32.9 08/11, , 5F
140.109.32.9 08/11, 5F
→
140.109.32.9 08/11, , 6F
140.109.32.9 08/11, 6F
推
61.66.204.129 08/11, , 7F
61.66.204.129 08/11, 7F
推
61.216.80.121 08/11, , 8F
61.216.80.121 08/11, 8F
→
61.216.80.121 08/11, , 9F
61.216.80.121 08/11, 9F
→
61.216.80.121 08/11, , 10F
61.216.80.121 08/11, 10F
推
59.104.65.209 08/13, , 11F
59.104.65.209 08/13, 11F
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