佳能5D4配镜指南:还不知道怎么最给力?看过来！
<p style="margin-top: 20px; margin-bottom: 20px; height: auto; overflow: visible; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 16px; line-height: 30px; font-family: "Microsoft Yahei"; word-break: break-all; color: rgb(0, 0, 0); width: auto !important;">新机的发布每次都让小编热血沸腾，（即便没有买上）也喜欢在预算内进行不同搭配。今年的明星单反佳能EOS 5D Mark IV 相当均衡，为这台相机配镜时，既不需要经历当年5D Mark III推出时的“镜头选择困难症”；也因为新一代“大三元”镜头陆续到来，旧镜头不能发挥机身的全部实力，重置镜头的需求愈加强烈。今天我们将从5D Mark IV的特性开始分析，看怎样配置镜头用得更合适，也更加有效率。</p><p style="margin-top: 20px; margin-bottom: 20px; height: auto; overflow: visible; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 16px; line-height: 30px; font-family: "Microsoft Yahei"; word-break: break-all; color: rgb(0, 0, 0); text-align: center; width: auto !important;"><span class="cmt-img-editor-el" style="font-size: 0px; line-height: 0; position: relative; display: inline-block; vertical-align: top;"><a href="https://www.pconline.com.cn/market_pic/854/8541641_pic.html?imgsrc=//img0.pconline.com.cn/pconline/1611/09/8541641_shoutu.jpg&channel=1343" target="_blank" style="color: rgb(255, 136, 0); text-decoration-line: none; cursor: pointer;"><img alt="1" class="art-pic-for-cmt" data-height="450" data-width="600" src="https://img0.pconline.com.cn/pconline/1611/09/8541641_shoutu_thumb.jpg" title="1" style="border-width: 1px; border-style: solid; border-color: rgb(204, 204, 204); vertical-align: top; transition: opacity 0.2s ease 0s; max-width: 700px; opacity: 1;"></a></span></p><p style="margin-top: 20px; margin-bottom: 20px; height: auto; overflow: visible; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: 30px; word-break: break-all; text-align: center; width: auto !important;"><font color="#000000" face="Microsoft Yahei"><span style="font-size: 16px;"><script type="text/javascript">var jd_union_pid="3002831122";var jd_union_euid="";</script><script type="text/javascript" src="//ads-union.jd.com/static/js/union.js"></script><div style="position: relative; width: 308px; height: 170px;"><iframe scrolling="no" frameborder="0" width="308px" height="170px" src="//ads-union.jd.com/product?type=product&pt=1&unionId=1002041441&siteId=4000347719&mid=3169869&w=308&h=170&euid=&cuid=&pid=3002831122&pvt=0&pv=239833ed90f84f94bda3402c3c04d60d&cUnionId=&extColumns=&lpt=0&charSet=UTF-8&windowSize=308,170"></iframe><div style="position: absolute; top: 1px; right: 0px; background: url("//img1.360buyimg.com/da/jfs/t2404/310/2196729438/1126/702d4c79/56a598b6N82664dfc.png"); height: 20px; width: 20px;"></div></div></span></font></p><h2 style="margin-left: 23px; padding-left: 5px; font-variant-numeric: normal; font-variant-east-asian: normal; font-weight: normal; font-stretch: normal; font-size: 18px; line-height: 21px; font-family: 微软雅黑; width: 550px; border-bottom: 1px solid rgb(243, 124, 8); color: rgb(244, 125, 9); margin-top: 5px !important; margin-right: auto !important; margin-bottom: 5px !important;">一、问题分析：佳能5D Mark IV对镜头有更高的要求，但情况不一样</h2><p style="margin-top: 20px; margin-bottom: 20px; height: auto; overflow: visible; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 16px; line-height: 30px; font-family: "Microsoft Yahei"; word-break: break-all; color: rgb(0, 0, 0); width: auto !important;"> 佳能5D Mark IV的推出，让佳能的中级全画幅数码单反的性能指标没有一味地跑数据，而是得到了更高层次的均衡，与此同时由于一部分镜头已经完成了升级换代，所以同样需求选择可以更加灵活。但也因为有需求上的差异，造成不同用户对镜头要求有清晰的分层，最终选择大相径庭。</p><p style="margin-top: 20px; margin-bottom: 20px; height: auto; overflow: visible; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 16px; line-height: 30px; font-family: "Microsoft Yahei"; word-break: break-all; color: rgb(0, 0, 0); width: auto !important;"><strong>1、3000万超高像素，让老镜头分辨率倍感压力</strong></p><p style="margin-top: 20px; margin-bottom: 20px; height: auto; overflow: visible; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 16px; line-height: 30px; font-family: "Microsoft Yahei"; word-break: break-all; color: rgb(0, 0, 0); text-align: center; width: auto !important;"><span class="cmt-img-editor-el" style="font-size: 0px; line-height: 0; position: relative; display: inline-block; vertical-align: top;"><a href="https://www.pconline.com.cn/market_pic/854/8541641_pic.html?imgsrc=//img0.pconline.com.cn/pconline/1611/08/8541641_101.png&channel=1343" target="_blank" style="text-decoration-line: none; cursor: pointer;"><img alt="1" class="art-pic-for-cmt" data-height="238" data-width="600" src="https://img0.pconline.com.cn/pconline/1611/08/8541641_101_thumb.png" title="1" style="border-width: 1px; border-style: solid; border-color: rgb(204, 204, 204); vertical-align: top; transition: opacity 0.2s ease 0s; max-width: 700px;"></a><button class="cmt-img-editor-bt" data-event="showImgBt" data-data="{i:1,target:'cmt_img_7jej9pqdvlo'}" style="transition: all 0.4s cubic-bezier(1, 0.03, 0.26, 1.43) 0s; display: block; position: absolute; bottom: 10px; right: 10px; border-width: 0px; border-style: initial; border-color: initial; font-size: 0px; line-height: 0; width: 86px; height: 27px; opacity: 0; cursor: pointer; background-repeat: no-repeat; outline: none; background-position: 0px -1117px; background-image: url("//www1.pconline.com.cn/test/cxk/static/images/icons.png");"></button></span><br>佳能5D Mark IV采用全新的传感器</p><p style="margin-top: 20px; margin-bottom: 20px; height: auto; overflow: visible; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 16px; line-height: 30px; font-family: "Microsoft Yahei"; word-break: break-all; color: rgb(0, 0, 0); width: auto !important;"> 佳能之前史无前例地在5Ds系列上使用5000万像素的CMOS传感器，让不少顶级135数码单反，甚至中画幅数码后背都感到压力。不过，这样的设定同样让佳能的镜头群倍感压力。因为传感器分辨能力的提升，需要更高的镜头分辨率，而部分定位中低端的镜头，未能完全发挥传感器实力。另外高像素传感器对读写速率要求更高，所以5D Mark IV为了权衡多个因素的需要，决定推出中间方案——也就是那块3040万像素，但这样也足足升级了一档，换来的不只是快。</p><p style="margin-top: 20px; margin-bottom: 20px; height: auto; overflow: visible; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 16px; line-height: 30px; font-family: "Microsoft Yahei"; word-break: break-all; color: rgb(0, 0, 0); width: auto !important;"><strong>2、对比佳能5D Mark III：想要完全发挥先进对焦系统，选准镜头很重要</strong></p><p style="margin-top: 20px; margin-bottom: 20px; height: auto; overflow: visible; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 16px; line-height: 30px; font-family: "Microsoft Yahei"; word-break: break-all; color: rgb(0, 0, 0); text-align: center; width: auto !important;"><span class="cmt-img-editor-el" style="font-size: 0px; line-height: 0; position: relative; display: inline-block; vertical-align: top;"><a href="https://www.pconline.com.cn/market_pic/854/8541641_pic.html?imgsrc=//img0.pconline.com.cn/pconline/1611/08/8541641_102.png&channel=1343" target="_blank" style="text-decoration-line: none; cursor: pointer;"><img alt="1" class="art-pic-for-cmt" data-height="235" data-width="600" src="https://img0.pconline.com.cn/pconline/1611/08/8541641_102_thumb.png" title="1" style="border-width: 1px; border-style: solid; border-color: rgb(204, 204, 204); vertical-align: top; transition: opacity 0.2s ease 0s; max-width: 700px;"></a><button class="cmt-img-editor-bt" data-event="showImgBt" data-data="{i:2,target:'cmt_img_7jej9pqdvlo'}" style="transition: all 0.4s cubic-bezier(1, 0.03, 0.26, 1.43) 0s; display: block; position: absolute; bottom: 10px; right: 10px; border-width: 0px; border-style: initial; border-color: initial; font-size: 0px; line-height: 0; width: 86px; height: 27px; opacity: 0; cursor: pointer; background-repeat: no-repeat; outline: none; background-position: 0px -1117px; background-image: url("//www1.pconline.com.cn/test/cxk/static/images/icons.png");"></button></span><br>佳能5D Mark IV在对焦系统做出了改进</p><p style="margin-top: 20px; margin-bottom: 20px; height: auto; overflow: visible; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 16px; line-height: 30px; font-family: "Microsoft Yahei"; word-break: break-all; color: rgb(0, 0, 0); width: auto !important;"> 回想一下之前的佳能5D Mark II，最让人诟病的是对焦系统，直到Mark III才开始改观。而在新款的5D Mark IV上，佳能非常“慷慨”地使用了顶级机型1D X Mark II的自动对焦系统，针对性地补上了前两代产品的不足，在三代的基础上改进了跟踪对焦的机制。同样的，相比5D Mark III最新一款在传感器像素上并没有非常大的提升，但是3040万像素相对于佳能的镜头来说明可以基本喂饱，正因为5D Mark III对镜头的要求仍然很高，但最近全新升级的镜头也能满足对应的需求。</p><p style="margin-top: 20px; margin-bottom: 20px; height: auto; overflow: visible; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 16px; line-height: 30px; font-family: "Microsoft Yahei"; word-break: break-all; color: rgb(0, 0, 0); width: auto !important;"> 佳能5D Mark IV的对焦改进有两方面，光学取景方面，使用了全新的61点对焦系统，实时取景方面，全像素双核CMOS处理器的使用，提供全像素双核CMOS AF技术的相位差对焦。全新的技术让5D Mark IV的对焦性能有了一个全面的提升，这一点不容置疑。</p><p style="margin-top: 20px; margin-bottom: 20px; height: auto; overflow: visible; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: 30px; word-break: break-all; width: auto !important;"><font color="#000000" face="Microsoft Yahei"><span style="font-size: 16px;"><script type="text/javascript">var jd_union_pid="3002831122";var jd_union_euid="";</script><script type="text/javascript" src="//ads-union.jd.com/static/js/union.js"></script><div style="position: relative; width: 308px; height: 170px;"><iframe scrolling="no" frameborder="0" width="308px" height="170px" src="//ads-union.jd.com/product?type=product&pt=1&unionId=1002041441&siteId=4000347719&mid=3169869&w=308&h=170&euid=&cuid=&pid=3002831122&pvt=0&pv=53f87bfac8f54357b10169144894c9ea&cUnionId=&extColumns=&lpt=0&charSet=UTF-8&windowSize=308,170"></iframe><div style="position: absolute; 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