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小盒子裏的 Horizon
written by nerdcist , translated by tattso on November 6th, 2009 , 12 comments (22 votes)

我這部自製的實驗相機可以說是一部窮人用的 Horizon。視角大概有115度,不比Horizon差啊!這些連結啟發了我今次的實驗: http://www.flickr.com/groups/matchboxpinhole/ , http://hila.webcentre.ca/projects/pancamera/ 和這頁的 第四幅圖

自己動手製作針孔相機其實並不困難。我的方法跟 這個 其實差不多,只不過會用膠捲筒來承載和捲動膠捲,而不是火柴盒。還有你要把膠捲的感光面反轉過來(像 redscale 一樣)這會令過片比較順暢。這相機的原理是把膠捲在盒子內彎曲,屈成弧線形(圖4),這樣便可以用針孔拍出如 Horizon 般的全境照片

首先,我們要一樣東西可以把膠捲扭成弧線形。找一個直徑大概45-50mm的塑膠瓶子(圖1),從中把它剪開一半,然後將其中一邊剪到36.5mm的高度,這正可以放進盒子內(圖2),就叫這為part A吧。再剪出兩條高5mm的部分(圖3),然後用透明膠紙把它們分別貼在part A的頂和底部。這應該便可以把膠捲固定在中間,記得試下膠捲能否容易通過(圖4)。把part A放進盒子裡便大功告成!

在盒上你要製造一個直徑0.25mm的針孔,一定要十分之圓滑,這會影響你的相片質素,所以一定要小心。光圈大概會是 140,你可以依圖5的列表曝光。看看成功的作品!

*這相機並不是完美,我知道它還需要很多改進。請給我一些建議啊!

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12 comments

  • by astorcc
    about 1 month ago

    NICE! gnna try it out

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