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#1 |
Sr. Penguin
![]() ![]() ![]() ![]() ![]() ![]() 注册日期: Jul 2004
帖子: 3,293
积分:14
精华:4
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"Althogh some consider forcefulness and persistance to be two traits desirable to the same degree, I think that making a violent effort is much less useful than maitaining a steady one."
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只看该作者 #4 |
Senior Member
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() 注册日期: Jul 2004
帖子: 79,354
积分:163
精华:102
声望: 25766633
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不是只是,在用到非中央对焦的时候都有裨益,而且运动照的时候,十字对焦需要2.8以上光圈的镜头和AI SERVO追焦系统支持。 http://www.mobile01.com/topicdetail....&t=3017132&p=1 |
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