镜头的技术介绍
IS影像稳定器／动态防抖
jingtoushangdegaojingdushoudoudongbuchangjigou。keshixianyue2-5jikuaimensududebuchangxiaoguo，shishouchipaishegengjiawending。
镜头可对手抖动进行有效的补偿
IS单元
jianengzizhuyanfadeshoudoudongbuchangjigoui𝐆syingxiangwendingqishitongguoshijingtouyibufenguangxueyuanjianpingxingyidongdefangshiyizhishoudoudongde。jingtoudeshoudoudongbuchangjigoukeyigenjubutongdejingtoushixianyouzhenduixingdebuchang。shoudoudongbuchangxiaoguoyinjingtoueryi，dabufenkededaozuidaxiangdangyuyue3-4jikuaimensududebuchangxiaoguo，buchangxiaoguohaodexinghaozuidakefahuiyue5jikuaimensududexiaoguo。chulenenggouyizhidoudongpaichuruilihuazhi，tongshikeqidaowendingqujingqihuamiandezuoyong，youyiyugoutubuzhuobeisheti。zidongduijiaoganyingqihezidongpuguangganyingqijieshoudetuxiangxinhaoyegengwending，congerhaiketigaozidongduijiaohezidongpuguangdejingdu。
IS影像稳定器的基本原理
手抖动造成镜头前部向下晃动时，由于🍃光线不能通过镜头的中央到达成像面，因此成像面上的图像中心也会向下移动。
IS影像稳定器打开的状态下，如发生手抖动，补偿光学元件移动以补偿光轴，以得到没有抖动的图像。
dangjingtouyouyushoudoudongerqingxieshi，beishetideguangxianpianlilejingtoulixiangdeguangzhou，zheijiuxingchenglewomensuoshuodedoudong。guangxueyuanjianchuizhiyuguangzhoushuipingyidongyidiaojieguangzhou，binggenjujingtoudedoudongliangdiaozhengzishendeyidongliang。tongguobaochidaodachengxiangmianguangxianzhuangtaidewendinglaidadaobuchanghuamiandoudongdemude。zheijiushiisyingxiangwendingqidejibenyuanli。duiyushoudoudongbuchangjigoulaishuozhongyaodejiushijiancezhendongdetuoluoyiganyingqi、buchangyongguangxueyuanjianyijikongzhiqidongzuodesuan🐟fa。zheixieyinsunengfouhenhaodixietonggongzuo，shinengfoudadaolianghaobuchangxiaoguodeguanjian。peibeiisyingxiangwendingqidejingtouzaijingtouneicaiyonglelianggezhendongtuoluoyiganyingqi，nenggougaojingdujinxingjiance，haicaiyonglexiaoqiaoqingbianqiekekongxinghaodedongquanyuanjianzhijiequdongbuchangyongguangxueyuanjian。buchangyongguangxueyuanjiandeweizhiyouired（hongwaifaguangerjiguan）hepsd（weizhilingmintanceqi）jinxingjiance、fankuibingjinxingkongzhi。
IS单元的结构
对应静物摄影的“模式1”和追随拍摄运动物体时使用的“模式2”
isyingxiangwendingqishitongguoganyingqijiancexiangjideyundong，binggenjuyundongliang（doudongliang）yidongbuchangyongguangxueyuanjian，laibuchangdoudongdezhuangzhi。zuoweijiben🐻moshide“moshi1”jiushijiadingbeishetiweijingzhibudong，tongguojingtouneibubuchangyongguangxueyuanjiandedongzuo，duishangxiazuoyoufangxiangqingxiededoudongjinxingbuchang。“moshi2”shiweilejinxingzhuisuipaisheershezhide，zaiyidongjingtoupaisheshi，ruzaiyidingshijianneichixufashengjiaodadoudong，zezaicifangxiangshangdedoudongbuchangjiangzidongtingzhi。zheiyangqujingqineidetuxiangyehuibiandewending。ciwai，zaishuipingfangxiangjinxingzhuisuipaisheshi，bubuchangshuipingfangxiangdedoudong，zhiyouchuizhifangxianghaizaichixujinxingdoudongbuchang，congerlaixiaochuchuizhifangxiangshangchanshengdeshoudoudong。youyumeiyoujinxingduoyudebuchang，shoudoudongbuchanggongnengnenggouxiezhupaishezhegenghaodigenjuyitujinxingpaishe。
模式2的两种补偿控制
ef 100-400mm f/4.5-5.6l is ii usm guangquanzhi：f/14 kuaimensudu：1/60🐷miao
lingwai，henduoweipeibeimoshi2dejingtouyenengzaixiangjizidongjiancechuzhuisuipaishehou，youzhenduixingdijinxingyumoshi🎀🍌2leisidedoudongbuchangdongzuo。（bufenjingtouchuwai）。
仅曝光过程中进行补偿的模式3
paishezuqiuhuoganlanqiudengtiyuᩚᩚᩚᩚᩚᩚᩚᩚᩚ𒀱ᩚᩚᩚyundongshi，tongguoqujingqizhuizongwuguilvjilieyundongdexuanshouqijian，kenengyin👍isyingxiangwendingqidezuoyongdaozhihuamianlaihuihuangdong。weimanzutiyusheyinglingyuduibuzhuojilieyundongdexuqiu，moshi3yingyunersheng。banankuaimenanniushibujinxingshoudoudongbuchang，qujingqihuamianyuisyingxiangwendingqiguanbishidezhuangtaiyiyang，bianyuzhuizongbeisheti。jinzaiquanankuaimenanniuhoudepuguangqijianjinxingshoudoudongbuchang。
ef 2🍌00-400mm f/4l is usm extender 1.4×、ef 100-400mm f/4.5-5.6l is ii usmdengyuanshe、chaoyuanshebianjiaojingtouheef 300mm f/2.8l is ii usm、ef 400mm f/2.8l is ii usmdengyuanshe、chaoyuanshedingjiaojingtoupeibeilemoshi3。
使用三脚架/独脚架时IS影像稳定器的动作
anzhuangdaosanjiaojiashangpaisheshihuiyouqingweidexiangjidoudong，peibeiisyingxiangwendingqidejingtouzhong，youxiejubeifangzhiwubuchangcileidoudongdegongneng，yeyoujixingjubeizhenduicileiqingweixiangjidou﷽dongyouxiaojinxingbuchangdegongnengꦇ。ciwai，shiyongdujiaojiashi，suoyoupeibeiisyingxiangwendingqidejingtoudounengdedaoyushouchipaishexiangtongdeshoudoudongbuchangxiaoguo。
动态防抖
dongtaifangdoutuozhanleisyingxiangwendingqidebuchangfanwei，keyouxiaoyingduibianzoubianpai。duanpianpaisheshikefahuizuoyong。
边走边拍的抖动也能得到抑制
shiyongdazai꧑ledongtaifangdoumoshidejingtou，bianzoubianjinxingduanpianpaisheshiyenengyouxiaoyizhishoudoudong。tebieshiguangjiaojiaoduandebuchangfanweida，nengqiangxiaobuchangshoudoudong。
benwangzhanbaohanyibufenguanggao/shichangtuiguangdengneirong，jingqingzhixi。
