There are three types of focusing - guesstimate, rangefinder and autofocus.有三種對(duì)焦方式 - 猜估, 用測(cè)距儀及自動(dòng)對(duì)焦.There're three types of focusing guesstimate, rangefinder and autofocus.有三種對(duì)焦方式——猜估, 用測(cè)距儀及自動(dòng)對(duì)焦.Can you give a guesst...