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旧 Sep 15th, 2008, 10:03     #1
william06
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学习一下 
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旧 Sep 16th, 2008, 20:50     #2
william06
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作者: Happy365 查看帖子
erguotou砖头砸得好!看来40D的ISO(100-1600)经受不住考验。可惜傍晚 Calgary Downtown 照片仍然用了ISO800,躁点多; 如果用ISO100会好些。
好机会要等09年仲秋节了,呵呵。
http://i392.photobucket.com/album...
Happy365在拍最初2张的时候,应该检查一下直方图才是。虽然噪点不能当场发现,但过曝的问题应该能解决。
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旧 Sep 17th, 2008, 09:53     #3
william06
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作者: Happy365 查看帖子
刚看了一下,拍月亮本身的直方图整体上在最暗的一两格,甚至溢出边界;而月亮已经过曝。?

拍downtown的直方图都在左半区,似乎还可以;除了该用ISO100不知怎么样调才更好:

http://i392.photobucket.com/albums/pp9/kaixinhappy/test...
这个图没办法,必须要有取舍,的确月亮过曝,就放弃月球表面的细节吧,或者使用多次曝光后期合成(狗一下HDR就知道了)。

前面顶楼的两张应该察看一下,及时纠正过曝才对 
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旧 Sep 19th, 2008, 23:20     #4
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作者: Happy365 查看帖子
最近有色友提倡尝试小光圈,我试验了几次,正好成了错误经验
那个是另外的讨论,要把风景的前景背景都拍清楚。这个月亮么,就一个,也没前景背景什么的,位置近似无穷远,用镜头最锐利的,比如F/8到F/11拍就行了。

不过俺有个问题,听说拍天体用红外比较好,为什么呢?
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