stevelee1203 wrote:
這是真的嗎?我記得5...(恕刪)
5d/5d2一共有六個隱藏對焦點, 那六個隱藏對焦點的目的僅是做追焦使用.
5D White Paper第8頁有提到: "These Supplemental AF points are not visible ... They do not function in one shot mode." 靜態對焦底下那幾個對焦點是沒作用的.
而5D2 White Paper當中第32頁則提到:"The purpose of the supplemental points is to enhance the camera's subject tracking performance by filling in the gaps between the highly sensitive central AF point and the8 adjacent linear sensors." 意即隱藏對焦點僅是增進追焦性能.
沒任何官方文件指出隱藏對焦點是給靜態拍攝之用, 所以說它可以增進對焦精度的話, 應該也僅是追焦之用. 而中央對焦是否超準, 至少以追焦來說, 失敗率是頗高的.
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