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旧 Sep 12th, 2008, 15:01   只看该作者   #61
moccafirst
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默认

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作者: william06 查看帖子
俺现在说得太枯燥了,没办法,是基础科目。。。到时候要搞个高级的有争议的,老Z可以大显身手
谁说你说的枯燥压,能像你那样把基础原理讲的深入浅出,不是人人都可以办到搭!

灌水灌到花儿谢? Mission Impossible!

my baby
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旧 Sep 12th, 2008, 15:02   只看该作者   #62
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作者: moccafirst 查看帖子
谁说你说的枯燥压,能像你那样把基础原理讲的深入浅出,不是人人都可以办到搭!
谢谢莫卡MM

下周接着讲下面的
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旧 Sep 12th, 2008, 15:09   只看该作者   #63
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默认

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谢谢莫卡MM

下周接着讲下面的
嗯嗯,洗耳恭听~~~
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感谢 moccafirst
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旧 Sep 12th, 2008, 15:11   只看该作者   #64
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默认

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谢谢莫卡MM

下周接着讲下面
汤好了,WG要讲怎样 下面 了
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感谢 zayne
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william06 (Sep 12th, 2008)
旧 Sep 12th, 2008, 15:42   只看该作者   #65
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汤好了,WG要讲怎样 下面 了
老Z太LM了
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旧 Sep 12th, 2008, 17:33   只看该作者   #66
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作者: wzralg 查看帖子
你说的情况是在极为普通的状况下,那种照片没什么技术含量。当然就不用太费心了。
一次看到一个照片,是夜晚拍的一个枫叶。我以为这很容易,就拿起相机到院里找了一个枫叶。去掉闪光灯,又用手电筒加上一块红布,给了一点补偿光线。从画面上看非常好,结果拍下来后却是一片黑。这就是没有看直方图效果造成的。也就是说,如...
wzralg,你说的树叶的片子还能找到吗?拿过来给大家参照一下,应该是个学习拍摄的好材料
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旧 Sep 14th, 2008, 13:21   只看该作者   #67
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默认

9494,体会要结合材料
wzralg, 还能找到那个一片黑的枫叶片片吗? :-)
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感谢 vanilla
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william06 (Sep 15th, 2008)
旧 Sep 15th, 2008, 00:22   只看该作者   #68
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默认

恐怕找不到了,我再试试找找看。

http://www.chinasmile.net/forums/image.php?type=sigpic&userid=45070&dateline=1238991010
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感谢 wzralg 发表的文章:
vanilla (Sep 16th, 2008), william06 (Sep 15th, 2008)
旧 Sep 15th, 2008, 00:35   只看该作者   #69
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默认

请斑竹和色友们给指点一下这四幅照片:

树林部分非常暗,乍一看图片好像少了一块,直方图区域偏左;然而如果整体曝光增加,喷泉部分就过曝了。这种情况下最理想曝光应该如何呢?
如果想改善,是不是必须通过后期处理,把黑暗局部调亮呢(没试过)?

http://i392.photobucket.com/albums/pp9/kaixinhappy/test/fountaincontrast.jpg?t=1221453021



这一张暗处几乎全黑,问题同上。

http://i392.photobucket.com/albums/pp9/kaixinhappy/test/grasscontrast.jpg?t=1221455305



这一张直方图暗部片多,是否表示曝光不足?照片整体看起来似乎正合适。
http://i392.photobucket.com/albums/pp9/kaixinhappy/test/coinsunderwater.jpg?t=1221456106



这只鸟儿照片曝光合适吗?鸟儿偏暗而背景偏亮,矛盾在拍摄时如何解决?除了用闪光灯
http://i392.photobucket.com/albums/pp9/kaixinhappy/test/birdhistogram.jpg?t=1221453139

此帖于 Sep 15th, 2008 01:28 被 Happy365 编辑。

Less is more. Good is miao.
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旧 Sep 15th, 2008, 13:41   只看该作者   #70
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作者: 枫婆子 查看帖子
原来如此。过去拍完了看LCD挺好的,上电脑就不行了,原来要看什么直方图。但每拍一张都这么检查也太麻烦了。
所以你的意思是,不行就让它去不行吧,麻烦比糟糕的照片更令人头痛,对么?
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旧 Sep 15th, 2008, 20:22   只看该作者   #71
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默认

俺用傻瓜拍的这张都快成黑白的了.有什么办法能把山的阴影移走就好了.
http://farm4.static.flickr.com/3264/2517108025_03b2c76626_o.jpg
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旧 Sep 15th, 2008, 21:03   只看该作者   #72
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作者: Happy365 查看帖子
请斑竹和色友们给指点一下这四幅照片:
树林部分非常暗,乍一看图片好像少了一块,直方图区域偏左;然而如果整体曝光增加,喷泉部分就过曝了。这种情况下最理想曝光应该如何呢?
如果想改善,是不是必须通过后期处理,把黑暗局部调亮呢(没试过)?
第一张可以看出略微一点点过曝,估计是在喷泉的水上,曝光总体上基本可以。右边比较黑,后期可以用渐变滤镜补偿一下。

第二张虽然没有过曝,但人明显曝光不足,背景也是。这个时候,保留地上毛巾的细节对整体意义不大,曝光可以再调高些,让人和背景正常些,让毛巾过曝。

第三张直方图正好和图片情况相吻合,有大片黑暗区域,主体是硬币,大多数硬币曝光正确,已经占满整个直方图,个别硬币过曝,但从整体来说,大多数硬币已经很好表现出来了,所以曝光取舍得当。

第四张,曝光方法是正确的,直方图也确认了这点。效果不好,要解决,摄影师应该改变拍摄角度。从这个角度大侧光表现鸟的这面,把羽毛大部分细节都留在黑暗面里,不补光,几乎不会成功。如果有条件可以用大动态范围的数码照相机,虽然会有点补偿,但这个角度和光线条件很难出什么好片。

这些片子都是场景的动态范围超过相机传感器能捕捉的范围,一般如果是静景,还有一种多次曝光后期合成的办法可以尝试,但对于这些照片里可能有运动的情况来说,只有摄影师进行合理取舍了。总的来说,这些是大多数人平时会碰到情形,特别是在白天阳光很强的时间段,大家看了这些,应该理解为什么很多风景摄影师都是早出晚归的了吧

谢谢这些例子,都是很值得大家学习探讨曝光的

此帖于 Sep 15th, 2008 21:19 被 william06 编辑。
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Happy365 (Sep 16th, 2008)
旧 Sep 15th, 2008, 21:20   只看该作者   #73
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作者: 笨猫一只 查看帖子
俺用傻瓜拍的这张都快成黑白的了.有什么办法能把山的阴影移走就好了.
http://farm4.static.flickr.com/3264/2517108025_03b2c76626_o.jpg
傻瓜机光顾着考虑天空的细节了,继续看下一节吧
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旧 Sep 15th, 2008, 21:38   只看该作者   #74
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默认

呵呵,WG在这里开课办讲座呢

同学们要像这样排好队
http://lh5.ggpht.com/yang7456/SMzdz0GpklI/AAAAAAAAFT4/vwlLO9VaDZg/s800/IMG_2403.jpg
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william06 (Sep 15th, 2008)
旧 Sep 15th, 2008, 21:51   只看该作者   #75
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默认

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作者: 500miles 查看帖子
呵呵,WG在这里开课办讲座呢

同学们要像这样排好队
http://lh5.ggpht.com/yang7456/SMzdz0GpklI/AAAAAAAAFT4/vwlLO9VaDZg/s800/IMG_2403.jpg
500MM的这张视角独特,很有新意,哈哈

画峰哪天也能拉出去这么支队伍就好了
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旧 Sep 15th, 2008, 22:06   只看该作者   #76
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作者: william06 查看帖子
500MM的这张视角独特,很有新意,哈哈

画峰哪天也能拉出去这么支队伍就好了
这个图里就很像花疯的一支队伍压。左边好像有个牛人的架了个大家伙事儿,一直在等待等待,那便是老周,第二个埋头猛按的是旦旦,中间一群又帅又忙乎的,就是wg、阿山和soso等,右边没完没了交流心得的帅哥美女就是500和莫卡啦。。。
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william06 (Sep 16th, 2008)
旧 Sep 15th, 2008, 23:16   只看该作者   #77
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默认

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作者: zayne 查看帖子
这个图里就很像花疯的一支队伍压。左边好像有个牛人的架了个大家伙事儿,一直在等待等待,那便是老周,第二个埋头猛按的是旦旦,中间一群又帅又忙乎的,就是wg、阿山和soso等,右边没完没了交流心得的帅哥美女就是500和莫卡啦。。。
其实,每次我架好器材,第一件事就是找地方尿尿。因为一直没顾得上。有一次憋得不行了,急匆匆架好相机,转到石头后面,刚开始尿,就有个女fans过来大呼小叫的,“好大的家伙啊....”

哥们,这就是摄影的最高境界了。
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william06 (Sep 16th, 2008)
旧 Sep 15th, 2008, 23:23   只看该作者   #78
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作者: 老周 查看帖子
其实,每次我架好器材,第一件事就是找地方尿尿。因为一直没顾得上。有一次憋得不行了,急匆匆架好相机,转到石头后面,刚开始尿,就有个女fans过来大呼小叫的,“好大的家伙啊....”

哥们,这就是摄影的最高境界了。

团结紧张严肃活泼

俺的摄影博客:blog.sina.com.cn/nibaxiang
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旧 Sep 15th, 2008, 23:29   只看该作者   #79
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默认

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作者: Happy365 查看帖子
请斑竹和色友们给指点一下这四幅照片:

树林部分非常暗,乍一看图片好像少了一块,直方图区域偏左;然而如果整体曝光增加,喷泉部分就过曝了。这种情况下最理想曝光应该如何呢?
如果想改善,是不是必须通过后期处理,把黑暗局部调亮呢(没试过)?

http://i392.photobucket.co...
照片中的很多缺陷应该在构图,或者说构思的时候就应该尽量避免掉。你这几张,特别是前面两张,应该是讨论构图和构思的时候拿出来说的。 当然如果利用看直方图,利用后期制作甚至拍摄时候的测光,曝光技巧来弥补构图中光线分布不均匀的缺陷也是值得的,但毕竟是一种弥补的措施,本身是先天不足的。

自然风景中的光线分布不均匀造成高光溢出和暗部丢失是令每个摄影者琢磨的事情。解决的方法是,等待最佳光线条件,综合考虑并利用光线进行取景和构图,利用渐变滤镜人为控制光比,利用直方图和测光技巧为后期改善提供最佳条件。

直方图是一种数据化的工具,是为了确保作品曝光符合创作者的拍摄意图以及为后期处理创造尽可能多的条件。并不是拍摄好作品的万能药,我想威廉版主辛苦写这么多东西,一定想你们明白这个道理。
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Happy365 (Sep 16th, 2008), william06 (Sep 16th, 2008), zayne (Sep 16th, 2008)
旧 Sep 15th, 2008, 23:52   只看该作者   #80
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默认

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其实,每次我架好器材,第一件事就是找地方尿尿。因为一直没顾得上。有一次憋得不行了,急匆匆架好相机,转到石头后面,刚开始尿,就有个女fans过来大呼小叫的,“好大的家伙啊....”

哥们,这就是摄影的最高境界了。
烟盒又被人家看见了?
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