Thank you for posting, Please comment on AF speed

来源: Big_Benz 于 2011-07-10 09:02:34 [] [博客] [旧帖] [给我悄悄话] 本文已被阅读： 0 次 (198 bytes)
回答: Pronghorns around yellowstone 由 小南门外 于 2011-07-10 08:16:11

Due to the crop factor, the view angle is like 600mm.  But the physics says this is still 200 x 2 = 400mm. 

Overall, it seems that 70-200mm VR II does not like any TC. 

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• 回复：Thank you for posting, Please comment on AF speed -小南门外- ♀ 给 小南门外 发送悄悄话 (134 bytes) () 07/10/2011 postreply 09:35:45

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