[royroyroytang]

小弟支70-200 F4 IS 有時一到200左右就唔係好中焦..
想試CHECK 下係咪有走焦現像
個副圖好似下面條LINK 咁

http://blog.xuite.net/inquest/photo/14779599-CANON%E5%B0%88%E7%94%A8%E7%89%B9%E8%A3%BD%E5%B0%8D%E7%84%A6%E6%9D%BF

THX 各位!!!!

[Decanter]

google 吓就有啦!

[royroyroytang]

Thx...
I found it and the keyword search from google is "focusing chart".
I've print it out and try to find it out the focusing problem tonight.

[Decanter]

查實45度角影落把膠間尺度都測到啦,駛鬼搞咁多野咩

[royroyroytang]

又係喎.....
試下就咁用間尺得唔得先!!

[Decanter]

影完post 相出黎比各師兄目測一下