D3不是中间那块?
所有跟帖:
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This is a well-known issue
-pieq314-
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03/24/2010 postreply
11:59:07
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做了功课,发现尼康全副的对焦点覆盖面积大约是18%.....
-野云主人-
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03/24/2010 postreply
15:35:12
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It is similar
-pieq314-
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03/24/2010 postreply
18:44:03