手動(dòng)對(duì)焦環(huán) manual focusing: 手動(dòng)聚焦focusing ring: 調(diào)焦環(huán); 調(diào)焦圈; 定焦距環(huán); 對(duì)焦環(huán); 聚焦環(huán); 聚焦圈ring focusing: 環(huán)型聚焦full-time manual focusing: 全時(shí)手動(dòng)對(duì)焦eyepiece focusing ring: 目鏡調(diào)焦環(huán)下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯