[問題] 鏡頭疑問
http://ppt.cc/tbxY
問題是在紅色框框部分
因之前沒有特別注意到這個部分
後來看某些文章有提到焦距無限遠的部分
就把鏡頭拿起來看一下, 才發現有類似的mark
請為紅色框框的部分, 數字涵義是什麼呢?
是給相機的對焦馬達對焦用的嗎? 能不能使用手動自己手轉去對焦?
感謝!
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