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旧 Jun 16th, 2012, 22:47     #1
schsy365
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默认

这个对焦怎样?60D照的,手持相机,九点自动对焦。1/60 5.0 ISO320 AV
18-200mm IS Lens
有的部分清晰,有的不清晰。
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名称:	DPP_7839.JPG
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文件大小:	1.23 MB
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旧 Jun 16th, 2012, 23:04     #2
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默认

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作者: ChinaSmileJoe 查看帖子
对焦你满意就好。部分清晰是因为光圈的效果,单反上光圈可调,正常。
另外,测对焦点是否准确不能用自动对焦,要用你想用的某一个对焦点对焦,然后把照片传到电脑上看那个位置是否清晰。相机有几个对焦点的,严格意义上要每一个都测过来。不过一般用户用中心对焦点,主要看那个就好。
这张我满意,中心对焦点11-13 都清晰。
抓拍对焦我不太满意,1/125快门抓拍照片放在电脑上100%看,经常虚。
也有可能是对焦慢,人物已经移动了。
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旧 Jun 16th, 2012, 23:21     #3
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默认

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作者: ChinaSmileJoe 查看帖子
拍动作片是个技术活,很多技巧需要慢慢学。
不是相机的问题?
是不是应该用一点对焦,而不是9点对焦?
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旧 Jun 16th, 2012, 23:31     #4
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默认

不清楚是人的问题,还是相机的问题?镜头的问题?
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旧 Jun 21st, 2012, 23:05     #5
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默认

这个对焦怎样?
自动一点对焦。
60D 18-200镜头。
上传的缩略图
点击图片以查看大图

名称:	DPP_1.JPG
查看次数:	90
文件大小:	1.08 MB
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旧 Jun 21st, 2012, 23:05     #6
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默认

手动对焦
上传的缩略图
点击图片以查看大图

名称:	DPP_2.JPG
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旧 Jun 22nd, 2012, 22:27     #7
schsy365
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默认

引用:
作者: 有门! 查看帖子
两张比较,自动比手动对焦要好。不管焦准不准,图片不是很清晰的,各位年纪大了花眼就是这个效果。可以用lcd手动对焦拍张看看。我的体会60D加18-200想拍出清晰的图片真的不好拍,我将使用老镜头试。
第二张是用lcd手动对焦拍得,
如果对焦没问题,就换镜头。
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旧 Jun 23rd, 2012, 19:29     #8
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默认

左面更清晰,更有层次感。
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旧 Jul 2nd, 2012, 10:21     #9
schsy365
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默认

Tv( Shutter Speed ) 1/25
Av( Aperture Value ) 5.6
Metering Mode Spot Metering
ISO Speed 100
Lens EF-S18-200mm f/3.5-5.6 IS
Focal Length 200.0mm
Picture Style Landscape
Sharpness 4
上传的缩略图
点击图片以查看大图

名称:	DPP_14.JPG
查看次数:	37
文件大小:	1.11 MB
ID:	63648  
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旧 Jul 2nd, 2012, 10:41     #10
schsy365
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默认

Tv( Shutter Speed ) 1/80
Av( Aperture Value ) 6.3
Metering Mode Spot Metering
ISO Speed 320
Lens EF-S18-200mm f/3.5-5.6 IS
Focal Length 130.0mm
Sharpness 4
上传的缩略图
点击图片以查看大图

名称:	DPP_15.JPG
查看次数:	48
文件大小:	1.19 MB
ID:	63650  
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旧 Jul 2nd, 2012, 10:44     #11
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默认

两张都是中心点对焦
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旧 Jul 2nd, 2012, 18:52     #12
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默认

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作者: 有门! 查看帖子
自动对焦还是手动?
第二张对焦很准,我照很难达到,尤其对一堆的红色景物对焦很难。
自动对焦
我的60D对焦有问题吗?
总觉得不够清晰,没有层次感。
是镜头的问题,还是机身的问题?
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旧 Jul 2nd, 2012, 18:53     #13
schsy365
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默认

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作者: sgyyz 查看帖子
用LCD,然后按放大镜zoom-in,手动对焦直到对焦点完全准确。就算镜头机身有对焦问题这方法应该可以对焦准确。

C的对焦实在不怎么样。。。
谢谢
弱光下可行,强光下不下可行。
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旧 Jul 4th, 2012, 21:03     #14
schsy365
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默认

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作者: silent_fish 查看帖子
澄清一下,我说得是live view自动对焦vs 相位自动对焦, LiveView用Contrast对焦,满准确的

如果Live View没有问题,那机身或者镜头要calibration,如果多个镜头都有问题,建议退掉机身或送机身去service center.这种情况我试过AF fine t...
什么叫live view自动对焦?怎么用?
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