镜头的技术介绍
超级UD镜片／UD镜片
jianengyanfadedisesanjingpian，keqiangxiaobuchangsexiangcha。liangpian🐈udjingpianxiangdangyuyueyipianyingshijingpiandexiaoguo，yipianchaojiudjingpianyueweiliangpianudjingpiandexiaoguo。
获得媲美萤石镜片的效果
suiranyingshijuyoulixiangdesexiangchabuchangxiaoguo，danyinzaojiaanggui，zaizhongduojingtoushangpujidaxingyingshijingpianbijiaokunnan。jianengkai🔯fadeud（chaodisesan）jingpianshijuyoudizheshe、disesantediandeguangxuejingpian。tongguocaiyongudjingpian，tigaoleerciguangpudexiaochuxiaoguo，liangpianudjingpiankeshixianyuyipianyingshijingpianpimeidexiaoguo，juyoulianghaodesexiangchabuchangxingneng。tayiguangfanyingyongyujianenggeleijingtouzhong。daole20shiji90niandaiudjingpiandexingnengdedaohendatigao，chaojiud（chaojichaodisesan）jingpiankaifachenggong。yipianchaojiudjingpianketigongxiangdangyuyueliangpianudjingpiandexiaoguo，jinyibudiweijingtoudegaoxingnenghuahexiaoxinghuazuochugongxian，bingshijiyingyongzaiduokuanjianengzhuanzhuhuazhibiao🗹xiandejingtouzhong。
ef 11-24mm f/4l usmcaiyongdeudjingpianhechaojiudjingpian。weibuchangchaoguangjiaojingtouyi꧃chanshengdebeilvsexiangcha，shiyongle1pianudjingpianhe1pianchaojiudjingpian。
benwangzhanbaohanyibufenguanggao/shichangtuiguangdengneirong，jingqingzhixi。
