對(duì)的現(xiàn)在700D大套里帶的都是二代頭一代的型號(hào)是EF-S 18-135mm f/3.5-5.6 IS二代是EF-S 18-135mm f/3.5-5.6 IS STM二代比一代多了個(gè)STM步進(jìn)馬達(dá)<br />EF-S 18-135mm f/3.5-5.6 IS STM對(duì)焦鏡片的...由于搭載電子對(duì)焦環(huán)，手動(dòng)對(duì)焦時(shí)只需輕松操作即可實(shí)現(xiàn)準(zhǔn)確合焦，也對(duì)應(yīng)全時(shí)手動(dòng)對(duì)焦。