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RF10-20mm F4 L IS STM 建议零售价

基于RF卡口,将超广角变焦镜头的广角端缩短到10mm,
baochigaohuazhidetongshijianguxiaoxingqingliangdechaoguangjiaobianjiaojingtourf10-20mm f4ꦜ l is stmdanshengle。

超广角变焦镜头的开发理念

想要开发出给用户带来新惊喜的超广角变焦

zengxi mingyan [kaifazhuguan/jixiesheji]

——请讲讲开发的理念。

增喜:xiangyaokaifachuxiaoxingqingliang,shouchipaishegengbianjiedechaoguangjiaojingtou。jianengdangniankaifadeef 11-24mm f/4l usmzheikuanjingtoudechaoguangjiaocengjingdailaihendajingxi。rf10-20mm f4 l is stmzheicideguangjiaoduanjiaojusuoduandao10mm,bingqiehaijubeiguangxuefangdougongneng。zaicijichushang,jingtougengjiaxiaoxingqingliang,zhongliangzhiyouef 11-24mm f/4l usmdeyibanzuoyou,bianxiexingdafutisheng。kaifadeshihoujiuxiwangxinjingtounengjiyonghudailaigengduojingxi。fengguang、jianzhu、xingkongdenglingyu,paisheshiyizhangzhaopiannenggoushourugengguangdefanwei🌠,shixianbuyiyangdezhaopianbiaoxian。jingtoubujinxiaoxingqingliang,bianxiexinggenggao,haizhichiguangxuefangdou。dapeizhichijishenfangdoudejixinghaikeshixianxietongfangdou,bingqiexinzenglezhoubianxiediaokongzhi,youcishouchipaishegengjiabianjie,biaoxiankenengxingyedeyikuozhan。

——怎么会想到要把广角端做到10mm的?

增喜:fengguangjijianzhusheyinglingyujingchanghuiyongdaochaoguangjiaojingtou。zheiyangdepaishelingyu,beishetiwangwangguangmaoxiongwei,paishedeshihouzonghuidanxinwufaquanbushouruhuamian。weilerangyonghupaiqilaigenganxin,zheicixiangyaobajiaojuzuodao10mm。💛yongzheikuanguangjiaojingtoupeihewendingqipaishipin,yenengjiangdafanweihuamianjinshouyandi。rangzhaopianheduanpianpaishedounengpaichuyiqianhennantiyandechaoguangjiaochongjili,zheiyeshijiangguangjiaoduanzuodao10mmdeyuanyin。

fahuidakakou、duanhouduijiaojulideyoushi,shixianle💞10mmdejiaoju、qiejingtouxiaoxingqingliang,bingjubeiguangxuefangdoujigou。

基于EF 11-24mm f/4L USM进一步升级,做出更广角的镜头

jiaoju10mmpaishedejiejingshili。ling🙈huoyunyong10🔥mmjiaojukuazhangdetoushixiaoguo,dimiandezhishibiaojiyubeijingdejianzhuquanbudoushouruhuamianle。

——RF系列中已经有了RF14-35mm F4 L IS USM以及RF15-35mm F2.8 L IS USM。请谈谈这款镜头的必要性。

增喜:henduoyonghuhuixiangyaozaitongyizhangzhaopianzhongtongshibiaoxianjinchudebeishetiheyuanchudebeijing。birupaishechengshifengjing,huamianqianjingyougezhubeisheti,beijingshigaosongdejianzhuwu。zheizhongqingkuangxia,ruguoshi14mmhuo15mmdejingtou,xiangshouruhe10mmjiaojuxiangtongdehuamianfanwei,zhinenghoutui。xiangyaobaqianjingdezhubeishetipaida,beijingdejianzhujiubunengwanquanshouruhuamian。zheizhongqingkuangxia,ruguoxiangyaoqianjinghebeijingzaigoutuzhongdapeigenglinghuo,jiuxuyaoshijiaogengguangdechaoguangjiaojingtou。zheikuanjingtouzaileisichangjingyinggai🍨nengfahuihendazuoyong。📖qie10mmdekeshourumianjixiangdangyu14mmdeyue2bei。suirantongguoyidongpaisheweizhihuobianjiaoyenengdiaozhengbeishetiyubeijingdeguanxi,danwoxiangxinrf10-20mm f4 l is stmzheikuanjingtoudegexinghuachaoguangjiaobiaoxianhuiweiyonghudegoutupaishedailaixindekenengxing。

jinliangyasuojingtoudezhangduhezhijing,henrongyishounadaoxiangjibaoli。

——相比EF 11-24mm f/4L USM,这款镜头变得十分小型轻量。这也是EF 11-24mm f/4L USM用户的希望吗?

增喜:确实我们有看到很多用户反应说约1180克的EF 11-24mm f/4L USM重量有些重。加上相机,可能就超过2千克了。如果负重2千克一整天出去外拍,确实挺有压力的。所以开发这款镜头的时候我们也希望能帮用户尽量减轻负担。
rf10-20mm f4 l is stmjiyurfde🉐dakakou、duanhouduijiaojuliyoushi,peihexiangjishumabuchangwaiquxiangcha,shiguangxuejiegoujinliangxiaoxing,zaibaochijingtoujianguxingdetongshi,shixianleqinglianghua。jingtoudezhongliangzhiyouyue570ke,jinef 11-24mm f/4l usmdedayueyibanzhongཧ。

广角端做到10mm的执着

导入大口径大曲率的非球面镜片,实现10mm焦距

zhongyuan cheng[guangxuesheji]

——请讲讲焦距做到10mm的关键以及遇到的困难。

中原:yibanlaishuoyueshiguangjiao,houduijiaojuliyueduan,waiquxiangchayegengnankongzhi。rf10-20mm f4 l is stmjiyurfdedakakoujiduanhouduijiaojuliyoushi,bingjiehexiangjishumabuchangwaiquxiangcha。dangnianef 11-24mm f/4l usmyingaohuazhihuodeyonghudehaoping,cicirf10-20mm f4 l is stmzaibaochigaohuazhidetongshi,guangjiaoduanjinyibusuoduandao10mmjiaoju。zheishiyinweiqianduanjingpiancaiyongledakoujingdaqulvdeshuangmianfeiqiumianjingpian。gengzhongyaodeshi,zheipianshuangmianfei♔qiumianjingpianshizhizaobumenyuyanfabumentonglixiezuo,caizuizhongshixianlelixiangdejingpianxingzhuang。

——作为关键部件的前端镜片,也就是这片大口径大曲率的双面非球面镜片,设计及制造上的难点有哪些?

中原:feiqiumianjingpianyueda,jiuyuenanbaochijiagongjingdu。qiejingpianchaoxiangtuxiangganyingqideyimiancaiyongleyizhifanshedeswcyabozhangjiegoudumo。qulvyueda,dumojiuyuenanbaochijunyun。womenyuzhizaobumentonglixiezuoꦍ,fanfujinxingleduocidemoniceshi,weilejingpiandeliangchannengbaochigaojingdu,rangshengchandemeiyipianjingpianxingzhuanglixiang,bingtigonggaoguangxuexingneng,zhen♍shishafeikuxin。ruguozheipianfeiqiumianjingpianmeinengkaifachulai,zheikuanjingtouyemeifashixiangaoxingnengyuxiaoxingqingliangdejiangu。

  • UD镜片×1 UD非球面镜片×1

  • 非球面镜片非球面镜片×2

    BR光学元件(蓝色光谱折射光学元件)×1chaojiudjingpian×1,udjingpian×2

qianduanjingpiancaiyongdegmo(bolimozhu)dakoujingdaqulvfeiqiumianjingpian。kedafanweijujiguang🥀xianbingzheshejihoufangjingpianzu。weijingtoushixian10mmjiaojubingjiangugaohuazhi、xiaoxinghuazuochulehendagongxian。

swcyabozhangjiegoudumoshiyizhongteshudedumo,duirushejiaojiaodadeguangxianfangfanshexiaoguohao。ruguoshiqu🌟lvjiaodadejingpian,keyouxiaoyizhizhoubiandeguiying𓄧jixuanguang。

带来10mm焦距下高画质的光学设计

焦距:10mm / 光圈:F5.6
10mmjiaojuxia,youxiaoyizhilehuamianzhoubiandexiangcha,huodelegaohuazhi。

——这次的焦段是怎么确定为10-20mm的?

中原:womenkaifadefangzhenjiushirangrfjingtouxitongnenggouweiyonghutigongefjingtouxitongmeiyoudejiazhi,bingtigonggengjiaduoyangdezhaopianbiaoxian。suoyiyikaishijiudingxiale10💎mmchaoguangjiaozheigeguige。chaoguangjiaobianjiaojingtou,bianjiaobeilvyuegao,huazhijiuyuenanweichi,kenengbianyuanhuazhihendi,huozhejingtouchicunzengda。kaifaguochengzhongwomenyaozhuyihuazhiyujingtouchicundepingheng,yekaolvdaoshipinpaishedebianjiexing,zuizhongquedingweibianjiaodao20mm。jinliangrangyonghupaizhaopianjishipindoufangbianꦍshiyong。



——高画质是基于怎样的技术达成的?

中原:🍌ef 11-24mm f﷽/4l usmjingshenchicunxiangduijiaoda,dancaiyongleyanmofeiqiumianjingpianjichaojiudjingpian,huazhihaishihenbucuode。zheicirf10-20mm f4 l is stmxiangyaoshixiangaohuazhi,nanduhaishitinggaode。kaifadedafangxiangshichaoguangjiaojixiaoxingqingliang,danhuazhizenmeyebunengbief 11-24mm f/4l usmcha。suoyiguangxueshejishanghelipeizhilefeiqiumianjingpian、chaojiudjingpian、udjingpian,qieshengchanfangmianjingpiandejiagongjizuzhuangyedouliqiugaojingdu。zheiyangcaihuodelegaohuazhi。

中原:haiyoujiushikenengyourenjuedexiangjishumabuchangwaiquxiangchafanerhuiranghuazhibiancha。danchulewaiquxiangchahaiyouqitaxiangcha,biruxiangmianwanqu、beilvsexiangchadeng。zheicizaishejishang,xianyouxiaokongzhiqitayingxianghuazhideduozhongxiangcha,ranhouzaicijichushangzaishumabuchangwaiquxiangcha,shijingtouhuodeleyuef 11-24mm f/4l usmxiangꦿdangshenzhigenghaodegaohuazhi。shixiancicishejihaiyouyida🍬yaoyin,neijiushijianengneibuzizhuyanfadeguangxueshejiruanjiandexingnengyouhendatisheng。

——请谈谈光学设计软件的性能有怎样的提升?

中原:bijiaoyoudaibiaoxingdeyidianshiruanjianmonijishudetisheng。ruanjianshijianengzizhuyanfade,keyigenjuguangxueshejibumendexuqiulaidiaoshiruanjian。biru,yixiangjibuchangwaiquxiangchaweiqiantijinxingguangxuexingnengdeceping、rongchafenxi、guiyingjuxianghuadengdemoni。yiqianhaihuirangnianqingyuangongbaguanglutudayinchulaiqueren。xianrujinhenduogongzuodoukeyitong💜guoruanjianmonilaiwanchengle。

UD镜片・超级UD镜片
helipeizhiteshujingpian,yihuodeyouxiaodesexiangchabuchang,huamianzhongyangdaozhoubian,dounenghuodeshaoseyundegaohuazhi。

实现小巧轻量的设计

多部门技术协作,实现小型轻量

yanye yaren[jixiesheji]

——小型轻量化方面有遇到什么困难吗?

中原:光学设计以尽可能小型化为目标,还要保持高画质。所以光学设计部门与机械设计部门通力合作,对每一片镜片的支撑方式下了大功夫。由此量产才得到了稳定的高品质。为了减小体量,前端镜片之外,也更多使用了薄的凹透镜及大曲率凹透镜,这些镜片的加工难度都很高。有制造部门的通力协作才使得开发部门小型轻量的设计落到实处。

盐野:zaishejidezuichujieduanjiudingxialejingtouchicun♎yaobaochiherf14-35mm f4 l is usmchabuduozheiyimubiao,shejiyeshianzhaozheiyimubiaolaituijinde。tongshiguangxueshejifangmianyechaozhezheiyifangxiangnuli,jiangjingpiandazhifenchengliangdazulaikongzhiyidong。youci,tuluntongdezhangdudeyisuojian。baohanqianduanjingpiandedi1zujingpianjinliangyoutuluntongdeqianbanbufenkongzhi,shejidenandianzaiyubaochijianguxingdetongshisuojianchicunhebaozhengtulundekaicaokongjiandeng。zuizhongjiegoushibaohanqianduanjingpiandedi1zutongguotulunqianbangoucaolaikongzhi,qiyujingpiantongguohoubandetulungoucaokongzhi。ruguodanduyidongdejingpianzuzengjia,tuluntongshangdegoucaoyeyaosuizhizengjia,tuluntongjiuhuibianzhang。tuluntongbianzhang,tongqianduanjiuhuidingdaoqianduanjingpian,zheiyangjiudebatongjiacu。suoyouxiangguanrenyuandoubangmang🌌xianjixiance,zuizhongcairangjingtoushixianlerujindexiaochicun。

——轻量化对镜头的坚固性有影响吗?

盐野:shejiguochengzhongbuduantongguoruanjianmonilaiquerenxijie,youcijinliangjianshaoꦯjinshubujiandetongshi,rangjingtoudejianguxingbaochileljijingtoudeshuizhun。biru,qianduanjingpianzubijiaozhong,womentongguoduokaituluncaozengjiaduiqianduanjingpianzudezhicheng。jingtouzaoyukepengshi,yekefensanzhuangjili,jinliangjianshaokepengduiguangxuexingnengdeyingxiang。zheicishejishiruanjianmonidexiaoguoyuzuizhongjingtoushi☂jiqingkuangfeichangjiejin,zheiduiwomenshixianqinglianghuadeshejihenyoubangzhu。dangranshiwujingtouyeyoujinxingjianguxingdeceshi。



——最大光圈为什么没有做到F2.8而是F4?

中原:benciyouxiankaolvdeshigengdadeguangjiao,yinweizheikeyiweiyonghutigongzhiqianhennanshixiandezhaopianbiaoxian。kaifadechuqiyecengjingjiujiaojuheguangquanzhankaiduozhongtaolun,zuizhong🅠pinghenghuazhijijiaojudengduozhongyinsu,jiangguangquandingweif4。

tuluntongdeqian⛎banzhichengdi1zujingpian,houbanzhichengdi2zujidi3💟zujingpian。 ruguojingpianzugengduo,kenengjiuxuyaogengzhangdetuluntonglaizhichengjingpian。

zhichengjingpiandejinshutuluntong。

🌄 rf10-20mm f4 l is stmsuiranshichaoguangjiaojingtou,danchicungenrf14-35mm f4 l is usmchabuduo。 

导入光学防抖的超广角变焦镜头

新防抖技术强效补偿周边抖动

——很多人觉得广角镜头不用防抖。为什么此次还是导入了光学防抖?

中原:shijishang,jingtouyueshiguangjiao,toushibianxingyuemingxian,🌺huamianzhoubiandedoudongyeyincigengda。zheiciwomenjiangisguangxuefangdoudanyuanpeizhizailekaojinxiangjituxiangganyingqideweizhi,xiwangyoucizaijingtoushangyouxiaoyizhihuamianzhoubiandedoudong。qiejingtouღguangxuefangdouhaikeyujishenfangdouliandong,genghaodikongzhihuamianzhoubiandoudong。

——就是说IS单元越靠近图像感应器防抖效果越好?

中原:bingbunengyigaierlun。zhishixiangyaoyouxiaoyizhizhoubiandoudongdeshihouzheiyangdepeizhikeyishixiangenghaodedoudongkongzhi。yikaishideshihoubingbushizheiyangdesheji,danfanfujinxingruanjianmonihou,faxianzheiyipeizhibijiaohao。womenhaiduiisfangdoujingpiandexingzhuangjinxingleyanjiu,youciyenenghenhaodibuchangzhongyangbufendedoudong。womenfanfutaolunlejixieshejiyuguangxueshejizenmegaocainengrangisdanyuangengshipei,isjingpiangaizenmegaijin🎀dengwenti,zuizhongcaiquedinglerujindeguangxuepeizhi。

——在导入IS单元及周边协调控制上,开发有什么困难吗?

水落:zaiyouxiaoyizhizhoubiandoudongdetongshi,haidebaochihuamianzhongyangbufenhuazhi,suoyiisdanyuandequdongjiubiandefuza。zaijishenfangdouhejingtouguangxuefangdouliandongfangmianhualehenduojingli。yuchangguidexietongfangdouxiangbi,ruguoxiangjiaqiangzhoubianfangdou,jingtouneideisdanyuanxuyaodafuduyidong。tongshiweilebaochigaohuazhi,jiuyaotongguojishenfangdoubuchanghuamiandezhengtidoudong,erzhexietongkongzhi。zheijiuxu꧅yaoxiangjiyujingtouzhijianbuchangshujuyougaoxiaodejiaohu。womenhexiangjikaifabumenyiqiweicijinxinglehenduochangshibingfanfuduisuanfajinxinggailiang。zuihoushixianlerujindejieguo。

zaituxiangganyingqizhoubianbufenchengxiangdeguangxian。shitongguoguangquanzhongyangbuhou,daxiangtuxiangganyingqizhoubian。xiangduiyupeizhizaiguangquanfujin,isfangdoudanyuan𝄹peizhizaijuliganyingqijindeweizhi,gengrongyifugaidadaozhoubiandeguangxian,yizhizhoubiandedoudonggengyouxiao。

IS光学防抖单元

新的防抖控制基于镜头和机身防抖的联动

shuiluo fengye[dianzisheji]

——周边协调控制是通过怎样的原理来补偿周边抖动的?

水落:fashengdoudongdeꦕshihou,beishetichengxianghuizhengticuowei,tongshibansuizhoubiandebianxing。erqieyueshiguangjiao,zhoubianbianxingyuemingxian。erjingtouguangxuefangdoushiyidongfangdouguangxuejingpiandixiaochengxiangcuowei,tongshibuchangzhoubiandebianxing。erjishenfangdoujinnengzhengtiyidongchengxiangmian,wufaxiangjingtouguangxuefangdouneiyangbuchangzhoubiandebianxing。tedingdejiaojuheduijiaojulixia,jinjingtouguangxuefangdoujiunengbuchanghuamianzhengtidedoudong。dankuajiaoduanqieduijiaojuliyeyoukuayuedeshihou,jingtouguangxuefangdouyeliyoubudai。zhoubianxiediaokongzhixiangdangyufahuilejingtouguangxuefangdoujijishenfangdoudeyoushi,erzhexietongtishenglezhoubiandoudongdekongzhixiaoguo。

抖动补偿的种类 特征
仅机身防抖 仅移动成像面抵消抖动,无法补偿周边抖动
仅镜头光学防抖 可移动成像抵消抖动并补偿变形
不能根据焦距和对焦距离进行周边的补偿
周边协调控制 可移动成像抵消抖动并补偿变形
通过联动有效补偿周边抖动

fahuijishenfangdouyujingtouguangxuefangdougezideyoushi,erzhexietongkongzhi,shixianlexindezhoubianfangdou。(2023nian10yueওeos r5gujianbanben1.9𒁏.0jiyishangzhichi)

STM步进马达的贡献

自动对焦・小型化・防抖,三者背后的关系

——作为佳能的L级镜头,采用了STM步进马达。请介绍一下采用STM步进马达的背景。还有在提高自动对焦速度方面做了哪些考虑?

增喜:dajiakeyikandao,duijiaojingpianshifeichangxiaode。usmchaoshengbomadaqishigengshihequdongyidongliangdadejingpian。erzheikuanjingtoudeduijiaojingpian✅yidongliangshejidexiangduijiaoxiao,womenjuedestmbujinmadaqudongjiunenghuodelianghaodexiaoguo。qiexiangduiyuusmchaoshengbomada,stmbujinmadadequdongjiegougengjiaxiaoqiao,zheijiisguangxuefangdoudanyuandepeizhiliuchugengduokongjian,youciisdanyuancainengpeizhizaijingtouhoubu。yejiushishuo,stmbujinmadaxiangdangyujianjiecuchenglezheicidezhoubianxiediaokongzhi。

中原:duijiaojingpiannengjianguqinglianghuajigaoxingneng,zhuyaoyituoyuduijiaojingpiandehelipeizhiyijijingpiancailiaodezhenxuan。zaihuamianzhoubianchengxiangdeguangxianhuizaiguangquanzhongyangjiaohui。guangjiaojingtouyi൲banlaishuokaojinguangquandejingpianchicunkeyizuoxiao。suoyiduijiaojingpianpeizhizaikaojinguangquandeweizhi,bijiaorongyishixianxiaoxingqingliangdesheji。qiejingpianhaicaiyonglejubeidifensantexingdejingpiancailiao,yidixiaoduijiaoshichanshengdesexiangcha。youcizaixiaoxingqingliangdejichushangjiangulegaohuazhi。bujinzheikuanjingtou,jianengweiletuozhanguangxueshejidekenengxing,yizhidouzaibuduankaifaxindejingpiancailiao。zheiciwomenhaijinliangsuoduanleduijiaojingpiandeyidongliang,youcitishenglezidongdui💫jiaodesudu。

duijiaojingpiandeshejikaolvleqinglianghuayijiyidongliangdengwenti,jichuyucitishenglezidongduijiaodesudu。

rf10-20mm ✤f4 l is stmcaiyongdestmbu♉jinmada。daoluogandezhangdugenjuduijiaojingpiandeyidongliangjueding。duijiaojingpianyidongliangxiao,bujinkeyitishengduijiaosudu,haiyouzhuyujingtouxiaoxinghua,bingtishengfangdouxingneng。

盐野:stmbujinmadayongdeshidaoluoganxingde。daoluogandezhangdugenduijiaojingpiande🥃yidongliangchengzhengbi。jingpianyidongliangda🧔dehua,daoluoganjiuhuibianzhang,qudongdaoluogandedanyuanyehuizhengtigenzhebianda。zheiyidianhendachengdujuedinglejingtoushifounengxiaoxinghua。


水落:stmbujinmadazaijianengqitajingtoushangyeyoushiyong。𒁃xiancundecaiyongstmbujinmadadejingtouyouhenduodoukeshixiangaosudeduijiaoqudong。zheixiedoushijixieshejibumentonglixiezuobuduanshicuo,jiangqudongsudujinliangyouhuadejieguo。qiestmbujinmadashishiyongxiangduijiandandejiegoushixiangaojingdudequdongkongzhi,congzheiyidianlaikan,zheizhongmadashifeichanghaodequdongdanyuan。danzhiqianstmbujinmadayinweiqidongshiyaohuidaochushiweizhi,youqidongshijianpianzhangdewenti。danbenkuanjingtouzuoweicaiyongstmbujinmadaderfjingtou,shoucidaoruleweizhiganyingqi,youcisuoduanleqidongshijian,zonghelaikan,qudongxingnengbushuusmchaoshengbomada。

RF10-20mm F4 L IS STM 开发人员感言

影像信息事业本部ICB
光学开发中心
增喜 明彦[开发主管/机械设计]


10mm焦距下去观察取景器画面,广阔的视野跟人用双眼观察的效果接近。一般来说,50mm左右的视野范围人眼分辨力最高。这款镜头可以说提升了50mm外围视野的分辨力,以超广角的震撼视效呈现双眼覆盖的视野范围,并且直到边缘部分都是高精细成像。比如,将雄伟的建筑或广袤的风景收入画面时,可以获得之前很难获得的画面冲击力。且小三元镜头再添这一支,四支镜头可以无缝覆盖10-200mm的焦段,表现的手法可以更加拓展了。

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影像信息事业本部ICB
光学技术统括开发中心
中原 诚[光学设计]


日常的光景,用超广角变焦镜头来拍,能拍出与肉眼所见非常不同的效果。这款镜头刚出来的时候,给我印象最深的两点,一个是镜身真是小巧轻量,还有就是观察取景器的时候,房间变得好宽广。希望大家都能装上这款镜头,尝试观察一下取景器的画面,体验超广角这种不一样的感觉。

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影像信息事业本部
ICB光学开发中心
盐野 雅人[机械设计]


超广角变焦镜头常用于拍摄风光。这款镜头小巧轻量,外拍时加上这支镜头也不会感觉负担。希望大家外出拍摄都能带上它,体验一下之前的超广角很难获得的成像效果。

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影像信息事业本部
ICB光学开发中心
水落 风也[电子设计]


作为超广角变焦镜头,我觉得这款镜头真是特别的小巧轻便易携带。EF 11-24mm f/4L USM还是略显笨重,不太适合随手去拍。但这款镜头可以让用户轻松携带外拍。超广角镜头夸张的透视可以拍出很有冲击力的照片,希望大家都能尝试体验。

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