一、燈位的確定
布(bu)光(guang)需(xu)調(tiao)整(zheng)燈(deng)具(ju)角(jiao)度(du)改(gai)變(bian)光(guang)向(xiang),人(ren)物(wu)外(wai)貌(mao)會(hui)隨(sui)之(zhi)改(gai)變(bian)。燈(deng)光(guang)在(zai)三(san)維(wei)空(kong)間(jian)變(bian)化(hua),可(ke)用(yong)水(shui)平(ping)和(he)垂(chui)直(zhi)光(guang)位(wei)確(que)定(ding)。以(yi)被(bei)攝(she)對(dui)象(xiang)為(wei)中(zhong)心(xin),燈(deng)位(wei)可(ke)在(zai)水(shui)平(ping)和(he)垂(chui)直(zhi)麵(mian)定(ding)位(wei)。燈(deng)光(guang)效(xiao)果(guo)以(yi)機(ji)位(wei)為(wei)基(ji)準(zhun),靠(kao)近(jin)攝(she)像(xiang)機(ji)鏡(jing)頭(tou)射(she)向(xiang)被(bei)攝(she)對(dui)象(xiang)的(de)是(shi) “正麵光”,射向攝像機且在被攝對象後麵的是 “逆光”。多機位攝製或改變視點時,要以攝像機視點評定燈光效果變化。

二、燈位的基本效果
光線從攝像機鏡頭位置照人物正麵,人物造型平淡,燈位升高,眼睛、鼻子、xiabahuiyouyinying。shidangyinyingkezengjiarenwuzhiganhelidu,danguangxianguodou,yinyingzengduo,toudexiabanbukenengyinmeizaiyinyingzhong。zhezhongxiaoguohuiranglianbuxiaoshouderenbipangrengengnankan,jiaoduyuedou,renyue “顯老”,頭部傾側或轉動會改變陰影長度和臉部造型。

三、燈位的移動
攝she像xiang機ji旁pang正zheng麵mian燈deng繞rao被bei攝she人ren物wu移yi動dong時shi,光guang線xian方fang向xiang基ji本ben效xiao果guo不bu變bian,人ren物wu造zao型xing隨sui燈deng位wei變bian化hua。開kai始shi鼻bi影ying短duan,燈deng位wei移yi動dong後hou鼻bi影ying變bian寬kuan,離li燈deng位wei遠yuan的de半ban邊bian臉lian逐zhu漸jian變bian暗an,正zheng麵mian燈deng繼ji續xu側ce移yi,鼻bi影ying和he麵mian頰jia陰yin影ying會hui連lian成cheng一yi片pian,臉lian的de一yi邊bian可ke能neng完wan全quan隱yin沒mei在zai陰yin影ying中zhong。正zheng麵mian燈deng向xiang側ce麵mian和he上shang方fang同tong時shi移yi動dong有you兩liang個ge方fang向xiang照zhao明ming特te點dian。麵mian部bu照zhao明ming要yao注zhu意yi陰yin影ying,尤you其qi是shi鼻bi子zi和he下xia頦ke的de陰yin影ying,避bi免mian陰yin影ying突tu出chu使shi燈deng光guang成cheng平ping光guang。在zai人ren像xiang布bu光guang中zhong,要yao從cong有you效xiao照zhao明ming區qu域yu全quan麵mian考kao慮lv燈deng位wei,最zui適shi宜yi的de人ren像xiang頭tou部bu攝she影ying,每mei一yi個ge位wei置zhi都dou有you最zui適shi合he的de主zhu光guang和he逆ni光guang。

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