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生(Sheng)物(Wu)显(Xian)微(Wei)镜(Jing)
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测(Ce)量(Liang)显(Xian)微(Wei)镜(Jing)
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体(Ti)视(Shi)显(Xian)微(Wei)镜(Jing)
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金(Jin)相(Xiang)显(Xian)微(Wei)镜(Jing)
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单(Dan)筒(Tong)视(Shi)频(Pin)显(Xian)微(Wei)镜(Jing)
金(Jin)相(Xiang)图(Tu)像(Xiang)分(Fen)析(Xi)系(Xi)统(Tong)
显(Xian)微(Wei)镜(Jing)CCD相(Xiang)机(Ji)
VIHENT显(Xian)微(Wei)镜(Jing)
体(Ti)视(Shi)显(Xian)微(Wei)镜(Jing)
生(Sheng)物(Wu)显(Xian)微(Wei)镜(Jing)
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放(Fang)大(Da)镜(Jing)
显(Xian)微(Wei)镜(Jing)拍(Pai)摄(She)专(Zhuan)用(Yong)相(Xiang)机(Ji)
制(Zhi)冷(Leng)型(Xing)CCD相(Xiang)机(Ji)
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WIFI无(Wu)线(Xian)相(Xiang)机(Ji)
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数(Shu)码(Ma)CMOS相(Xiang)机(Ji)
HDMI高(Gao)清(Qing)相(Xiang)机(Ji)
VGA视(Shi)频(Pin)相(Xiang)机(Ji)
徕(?)卡(Ka)显(Xian)微(Wei)镜(Jing)
体(Ti)视(Shi)显(Xian)微(Wei)镜(Jing)
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影(Ying)像(Xiang)测(Ce)量(Liang)仪(Yi)器(Qi)
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三(San)坐(Zuo)标(Biao)测(Ce)量(Liang)仪(Yi)
金(Jin)相(Xiang)制(Zhi)样(Yang)设(She)备(Bei)
金(Jin)相(Xiang)制(Zhi)样(Yang)耗(Hao)材(Cai)
金(Jin)相(Xiang)镶(Xiang)嵌(Qian)机(Ji)
金(Jin)相(Xiang)抛(Pao)磨(Mo)机(Ji)
金(Jin)相(Xiang)切(Qie)割(Ge)机(Ji)
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加(Jia)热(Re)台(Tai)、(?)光(Guang)源(Yuan)、(?)灯(Deng)泡(Pao)类(Lei)
当(Dang)前(Qian)位(Wei)置(Zhi):(?)
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》(?)
技(Ji)术(Shu)文(Wen)章(Zhang)
》(?)对(Dui)金(Jin)相(Xiang)显(Xian)微(Wei)镜(Jing)的(De)照(Zhao)明(Ming)系(Xi)统(Tong)有(You)一(Yi)定(Ding)的(De)了(Liao)解(Jie)可(Ke)以(Yi)事(Shi)半(Ban)功(Gong)倍(Bei)
技(Ji)术(Shu)文(Wen)章(Zhang)
对(Dui)金(Jin)相(Xiang)显(Xian)微(Wei)镜(Jing)的(De)照(Zhao)明(Ming)系(Xi)统(Tong)有(You)一(Yi)定(Ding)的(De)了(Liao)解(Jie)可(Ke)以(Yi)事(Shi)半(Ban)功(Gong)倍(Bei)
发(Fa)布(Bu)时(Shi)间(Jian):2020/3/26 13:56:27浏(Liu)览(Lan)次(Ci)数(Shu):(?)1077
金(Jin)相(Xiang)显(Xian)微(Wei)镜(Jing)
的(De)照(Zhao)明(Ming)系(Xi)统(Tong)一(Yi)般(Ban)包(Bao)括(Kuo)光(Guang)源(Yuan)、(?)照(Zhao)明(Ming)器(Qi)、(?)光(Guang)阑(Lan)、(?)滤(Lu)色(Se)片(Pian)等(Deng)。(?)大(Da)家(Jia)可(Ke)能(Neng)对(Dui)显(Xian)微(Wei)镜(Jing)的(De)了(Liao)解(Jie)于(Yu)使(Shi)用(Yong)操(Cao)作(Zuo)上(Shang),(?)一(Yi)些(Xie)具(Ju)体(Ti)的(De)配(Pei)件(Jian)组(Zu)成(Cheng)还(Huan)不(Bu)是(Shi)很(Hen)了(Liao)解(Jie),(?)导(Dao)致(Zhi)显(Xian)微(Wei)镜(Jing)使(Shi)用(Yong)上(Shang)并(Bing)不(Bu)能(Neng)全(Quan)面(Mian)的(De)发(Fa)挥(Hui)其(Qi)性(Xing)能(Neng)作(Zuo)用(Yong)。(?)下(Xia)面(Mian)我(Wo)们(Men)来(Lai)仔(Zi)细(Xi)介(Jie)绍(Shao)下(Xia)。(?)
(?) (?)光(Guang)源(Yuan):(?)光(Guang)源(Yuan)应(Ying)具(Ju)有(You)足(Zu)够(Gou)的(De)发(Fa)光(Guang)强(Qiang)度(Du)且(Qie)要(Yao)求(Qiu)发(Fa)光(Guang)均(Jun)匀(Yun),(?)发(Fa)热(Re)程(Cheng)度(Du)要(Yao)低(Di)并(Bing)易(Yi)于(Yu)对(Dui)亮(Liang)度(Du)、(?)位(Wei)置(Zhi)进(Jin)行(Xing)调(Diao)节(Jie)。(?)色(Se)温(Wen)希(Xi)望(Wang)高(Gao)和(He)光(Guang)谱(Pu)连(Lian)续(Xu)性(Xing)好(Hao)。(?) 光(Guang)源(Yuan)一(Yi)般(Ban)有(You)低(Di)压(Ya)钨(Wu)丝(Si)灯(Deng)、(?)卤(Lu)钨(Wu)灯(Deng)、(?)氙(Xian)灯(Deng)、(?)超(Chao)高(Gao)压(Ya)汞(Gong)灯(Deng)和(He)碳(Tan)弧(Hu)灯(Deng)几(Ji)种(Zhong)。(?)光(Guang)源(Yuan)的(De)照(Zhao)明(Ming)方(Fang)式(Shi)有(You)科(Ke)勒(Le)照(Zhao)明(Ming)和(He)临(Lin)界(Jie)照(Zhao)明(Ming)之(Zhi)别(Bie)。(?)
(?) (?)照(Zhao)明(Ming)器(Qi):(?)
金(Jin)相(Xiang)显(Xian)微(Wei)镜(Jing)
采(Cai)用(Yong)反(Fan)射(She)光(Guang)照(Zhao)明(Ming),(?)光(Guang)源(Yuan)位(Wei)于(Yu)镜(Jing)体(Ti)侧(Ce)面(Mian)与(Yu)主(Zhu)光(Guang)轴(Zhou)正(Zheng)交(Jiao)。(?)因(Yin)此(Ci),(?)光(Guang)线(Xian)需(Xu)转(Zhuan)向(Xiang)90°,(?)这(Zhe)种(Zhong)转(Zhuan)变(Bian)光(Guang)线(Xian)的(De)装(Zhuang)置(Zhi)叫(Jiao)做(Zuo)垂(Chui)直(Zhi)照(Zhao)明(Ming)器(Qi)。(?)利(Li)用(Yong)照(Zhao)明(Ming)进(Jin)行(Xing)照(Zhao)明(Ming)的(De)方(Fang)式(Shi)分(Fen)为(Wei)以(Yi)下(Xia)几(Ji)种(Zhong)。(?)
(?) (?)(i)平(Ping)面(Mian)玻(Bo)璃(Li)反(Fan)射(She)照(Zhao)明(Ming)。(?)这(Zhe)种(Zhong)照(Zhao)明(Ming)方(Fang)法(Fa)的(De)特(Te)点(Dian)是(Shi)光(Guang)线(Xian)均(Jun)匀(Yun)地(Di)直(Zhi)射(She)在(Zai)试(Shi)样(Yang)表(Biao)面(Mian),(?)被(Bei)浸(Jin)蚀(Shi)后(Hou)的(De)凹(Ao)凸(Tu)处(Chu)无(Wu)阴(Yin)影(Ying)产(Chan)生(Sheng),(?)得(De)到(Dao)清(Qing)晰(Xi)平(Ping)坦(Tan)的(De)图(Tu)象(Xiang)。(?)采(Cai)用(Yong)这(Zhe)照(Zhao)明(Ming)方(Fang)式(Shi),(?)能(Neng)真(Zhen)实(Shi)地(Di)表(Biao)示(Shi)出(Chu)各(Ge)组(Zu)成(Cheng)相(Xiang),(?)但(Dan)缺(Que)乏(Fa)立(Li)体(Ti)感(Gan)。(?)
(?) (?)(ii)棱(Leng)镜(Jing)反(Fan)射(She)照(Zhao)明(Ming)。(?)这(Zhe)种(Zhong)照(Zhao)明(Ming)是(Shi)利(Li)用(Yong)三(San)棱(Leng)镜(Jing)作(Zuo)为(Wei)折(Zhe)光(Guang)元(Yuan)件(Jian),(?)光(Guang)源(Yuan)经(Jing)棱(Leng)镜(Jing)全(Quan)反(Fan)射(She)后(Hou),(?)通(Tong)过(Guo)物(Wu)镜(Jing)光(Guang)束(Shu)便(Bian)斜(Xie)射(She)到(Dao)试(Shi)样(Yang)表(Biao)面(Mian)。(?)这(Zhe)种(Zhong)照(Zhao)明(Ming)方(Fang)式(Shi)与(Yu)平(Ping)面(Mian)镜(Jing)相(Xiang)比(Bi)较(Jiao)光(Guang)线(Xian)损(Sun)失(Shi)极(Ji)少(Shao),(?)镜(Jing)筒(Tong)内(Nei)的(De)炫(Xuan)光(Guang)较(Jiao)低(Di),(?)图(Tu)象(Xiang)高(Gao)密(Mi)度(Du)大(Da)、(?)衬(Chen)度(Du)好(Hao)。(?)但(Dan)这(Zhe)种(Zhong)照(Zhao)明(Ming)方(Fang)式(Shi)棱(Leng)镜(Jing)占(Zhan)去(Qu)镜(Jing)筒(Tong)将(Jiang)近(Jin)一(Yi)半(Ban)的(De)位(Wei)置(Zhi),(?)也(Ye)就(Jiu)是(Shi)遮(Zhe)去(Qu)了(Liao)物(Wu)镜(Jing)孔(Kong)径(Jing)的(De)一(Yi)半(Ban),(?)从(Cong)而(?)使(Shi)物(Wu)镜(Jing)的(De)有(You)效(Xiao)数(Shu)值(Zhi)孔(Kong)径(Jing)减(Jian)小(Xiao),(?)分(Fen)辨(Bian)能(Neng)力(Li)会(Hui)降(Jiang)低(Di),(?)这(Zhe)种(Zhong)照(Zhao)明(Ming)方(Fang)式(Shi)适(Shi)合(He)在(Zai)放(Fang)大(Da)100倍(Bei)以(Yi)下(Xia)使(Shi)用(Yong)。(?)
(?) (?)(iii)斜(Xie)照(Zhao)明(Ming)。(?)光(Guang)线(Xian)与(Yu)镜(Jing)体(Ti)光(Guang)轴(Zhou)是(Shi)一(Yi)定(Ding)角(Jiao)度(Du),(?)使(Shi)照(Zhao)在(Zai)试(Shi)样(Yang)上(Shang)的(De)光(Guang)线(Xian)是(Shi)倾(Qing)斜(Xie)的(De)。(?)这(Zhe)种(Zhong)照(Zhao)明(Ming)方(Fang)式(Shi)可(Ke)以(Yi)提(Ti)高(Gao)显(Xian)微(Wei)镜(Jing)的(De)分(Fen)辨(Bian)力(Li),(?)并(Bing)使(Shi)试(Shi)样(Yang)凸(Tu)起(Qi)部(Bu)分(Fen)产(Chan)生(Sheng)阴(Yin)影(Ying),(?)从(Cong)而(?)增(Zeng)幼(You)虫(Chong)了(Liao)图(Tu)象(Xiang)的(De)衬(Chen)度(Du)和(He)立(Li)体(Ti)感(Gan)。(?)斜(Xie)射(She)照(Zhao)明(Ming)可(Ke)通(Tong)过(Guo)调(Diao)节(Jie)孔(Kong)径(Jing)光(Guang)阑(Lan)的(De)平(Ping)面(Mian)位(Wei)移(Yi)而(?)得(De)到(Dao)。(?)
(?) (?)(iv)暗(An)场(Chang)照(Zhao)明(Ming)。(?)暗(An)场(Chang)照(Zhao)明(Ming)的(De)光(Guang)学(Xue)行(Xing)程(Cheng)。(?)来(Lai)自(Zi)光(Guang)源(Yuan)的(De)平(Ping)行(Xing)光(Guang)束(Shu),(?)被(Bei)环(Huan)形(Xing)光(Guang)阑(Lan)所(Suo)阻(Zu),(?)而(?)形(Xing)成(Cheng)环(Huan)形(Xing)光(Guang)束(Shu),(?)经(Jing)过(Guo)平(Ping)面(Mian)玻(Bo)璃(Li)转(Zhuan)向(Xiang),(?)再(Zai)经(Jing)过(Guo)物(Wu)镜(Jing)外(Wai)围(Wei)的(De)抛(Pao)物(Wu)面(Mian)反(Fan)射(She)镜(Jing),(?)以(Yi)大(Da)的(De)倾(Qing)斜(Xie)角(Jiao)投(Tou)射(She)到(Dao)试(Shi)样(Yang)表(Biao)面(Mian),(?)这(Zhe)时(Shi)试(Shi)样(Yang)上(Shang)平(Ping)坦(Tan)的(De)部(Bu)分(Fen)所(Suo)反(Fan)射(She)的(De)光(Guang)将(Jiang)不(Bu)会(Hui)进(Jin)入(Ru)物(Wu)镜(Jing)而(?)呈(Cheng)暗(An)色(Se),(?)对(Dui)于(Yu)凹(Ao)陷(Xian)部(Bu)分(Fen)却(Que)能(Neng)将(Jiang)光(Guang)线(Xian)反(Fan)射(She)进(Jin)入(Ru)物(Wu)镜(Jing)。(?)这(Zhe)一(Yi)照(Zhao)明(Ming)方(Fang)式(Shi)的(De)特(Te)点(Dian)是(Shi):(?)使(Shi)有(You)效(Xiao)数(Shu)值(Zhi)孔(Kong)径(Jing)增(Zeng)加(Jia),(?)提(Ti)高(Gao)衬(Chen)度(Du),(?)特(Te)别(Bie)是(Shi)能(Neng)观(Guan)察(Cha)非(Fei)金(Jin)属(Shu)夹(Jia)杂(Za)的(De)透(Tou)明(Ming)度(Du)及(Ji)真(Zhen)实(Shi)色(Se)彩(Cai)。(?)
(?) (?)光(Guang)阑(Lan):(?)光(Guang)阑(Lan)分(Fen)为(Wei)孔(Kong)径(Jing)光(Guang)阑(Lan)和(He)视(Shi)场(Chang)光(Guang)阑(Lan)。(?)
(?) (?)孔(Kong)径(Jing)光(Guang)阑(Lan):(?)孔(Kong)径(Jing)光(Guang)阑(Lan)的(De)调(Diao)节(Jie)可(Ke)以(Yi)改(Gai)变(Bian)成(Cheng)象(Xiang)光(Guang)束(Shu)的(De)大(Da)小(Xiao)和(He)控(Kong)制(Zhi)进(Jin)入(Ru)光(Guang)学(Xue)系(Xi)统(Tong)的(De)光(Guang)通(Tong)亮(Liang)。(?)缩(Suo)小(Xiao)孔(Kong)径(Jing)光(Guang)阑(Lan),(?)孔(Kong)径(Jing)角(Jiao)变(Bian)小(Xiao),(?)这(Zhe)时(Shi)光(Guang)束(Shu)只(Zhi)通(Tong)过(Guo)物(Wu)镜(Jing)的(De)中(Zhong)心(Xin)部(Bu)分(Fen),(?)利(Li)于(Yu)消(Xiao)除(Chu)物(Wu)镜(Jing)的(De)单(Dan)色(Se)象(Xiang)差(Cha),(?)图(Tu)象(Xiang)清(Qing)晰(Xi),(?)能(Neng)提(Ti)高(Gao)景(Jing)深(Shen),(?)提(Ti)高(Gao)相(Xiang)的(De)衬(Chen)度(Du)。(?)但(Dan)孔(Kong)径(Jing)角(Jiao)小(Xiao),(?)会(Hui)降(Jiang)低(Di)物(Wu)镜(Jing)的(De)分(Fen)辨(Bian)能(Neng)力(Li)。(?)适(Shi)当(Dang)的(De)增(Zeng)大(Da)孔(Kong)径(Jing)光(Guang)阑(Lan),(?)会(Hui)增(Zeng)大(Da)亮(Liang)度(Du)和(He)提(Ti)高(Gao)鉴(Jian)别(Bie)能(Neng)力(Li)。(?) 为(Wei)了(Liao)充(Chong)分(Fen)发(Fa)挥(Hui)物(Wu)镜(Jing)的(De)分(Fen)辨(Bian)能(Neng)力(Li),(?)又(You)能(Neng)兼(Jian)顾(Gu)景(Jing)深(Shen),(?)获(Huo)得(De)良(Liang)好(Hao)衬(Chen)度(Du),(?)孔(Kong)径(Jing)光(Guang)阑(Lan)调(Diao)到(Dao)使(Shi)入(Ru)射(She)光(Guang)束(Shu)刚(Gang)好(Hao)充(Chong)满(Man)或(Huo)略(Lue)小(Xiao)于(Yu)物(Wu)镜(Jing)孔(Kong)径(Jing)为(Wei)宜(Yi)。(?)各(Ge)种(Zhong)物(Wu)镜(Jing)的(De)孔(Kong)径(Jing)不(Bu)同(Tong),(?)因(Yin)此(Ci)更(Geng)换(Huan)物(Wu)镜(Jing)时(Shi),(?)孔(Kong)径(Jing)光(Guang)阑(Lan)应(Ying)作(Zuo)相(Xiang)应(Ying)调(Diao)节(Jie),(?)否(Fou)则(Ze)图(Tu)象(Xiang)不(Bu)清(Qing)晰(Xi)。(?)
(?) (?)视(Shi)场(Chang)光(Guang)阑(Lan):(?)视(Shi)场(Chang)光(Guang)阑(Lan)的(De)大(Da)小(Xiao)对(Dui)显(Xian)微(Wei)镜(Jing)的(De)分(Fen)辨(Bian)能(Neng)力(Li)没(Mei)有(You)影(Ying)响(Xiang),(?)适(Shi)当(Dang)缩(Suo)小(Xiao)可(Ke)减(Jian)少(Shao)筒(Tong)内(Nei)的(De)杂(Za)散(San)光(Guang),(?)增(Zeng)加(Jia)图(Tu)相(Xiang)衬(Chen)度(Du)。(?)有(You)时(Shi)为(Wei)了(Liao)观(Guan)察(Cha)某(Mou)一(Yi)范(Fan)围(Wei)的(De)显(Xian)微(Wei)组(Zu)织(Zhi),(?)可(Ke)将(Jiang)视(Shi)场(Chang)光(Guang)阑(Lan)缩(Suo)小(Xiao)至(Zhi)这(Zhe)个(Ge)区(Qu)域(Yu),(?)或(Huo)获(Huo)得(De)良(Liang)好(Hao)效(Xiao)果(Guo)。(?)照(Zhao)相(Xiang)或(Huo)观(Guan)察(Cha)时(Shi)可(Ke)将(Jiang)视(Shi)场(Chang)光(Guang)阑(Lan)调(Diao)节(Jie)到(Dao)视(Shi)场(Chang)以(Yi)外(Wai)一(Yi)点(Dian)即(Ji)可(Ke)。(?)
(?) (?)滤(Lu)色(Se)片(Pian):(?)滤(Lu)色(Se)片(Pian)的(De)作(Zuo)用(Yong)是(Shi)吸(Xi)收(Shou)光(Guang)源(Yuan)发(Fa)生(Sheng)的(De)白(Bai)色(Se)光(Guang)中(Zhong)波(Bo)长(Chang)不(Bu)合(He)需(Xu)要(Yao)的(De)光(Guang)线(Xian),(?)只(Zhi)让(Rang)一(Yi)定(Ding)波(Bo)长(Chang)的(De)光(Guang)线(Xian)通(Tong)过(Guo)。(?)显(Xian)微(Wei)镜(Jing)使(Shi)用(Yong)滤(Lu)色(Se)片(Pian)目(Mu)的(De)如(Ru)下(Xia):(?)
(?) (?)a. 增(Zeng)加(Jia)黑(Hei)白(Bai)金(Jin)相(Xiang)照(Zhao)片(Pian)上(Shang)组(Zu)织(Zhi)的(De)衬(Chen)度(Du)。(?)
(?) (?)b. 有(You)助(Zhu)于(Yu)鉴(Jian)别(Bie)经(Jing)彩(Cai)色(Se)着(Zhuo)色(Se)后(Hou)的(De)显(Xian)微(Wei)组(Zu)织(Zhi)细(Xi)节(Jie)。(?)
(?) (?)c. 利(Li)用(Yong)黄(Huang)、(?)绿(Lu)滤(Lu)色(Se)片(Pian)与(Yu)消(Xiao)色(Se)差(Cha)物(Wu)镜(Jing)配(Pei)合(He)使(Shi)用(Yong),(?)可(Ke)消(Xiao)除(Chu)残(Can)余(Yu)色(Se)差(Cha)。(?)
(?) (?)d. 使(Shi)用(Yong)蓝(Lan)滤(Lu)色(Se)片(Pian),(?)由(You)于(Yu)其(Qi)波(Bo)长(Chang)较(Jiao)短(Duan),(?)可(Ke)以(Yi)提(Ti)高(Gao)物(Wu)镜(Jing)的(De)鉴(Jian)别(Bie)能(Neng)力(Li)。(?)
(?) (?)e. 在(Zai)长(Chang)时(Shi)间(Jian)显(Xian)微(Wei)分(Fen)析(Xi)观(Guan)察(Cha)时(Shi),(?)使(Shi)用(Yong)黄(Huang)滤(Lu)色(Se)片(Pian),(?)可(Ke)保(Bao)护(Hu)观(Guan)察(Cha)者(Zhe)眼(Yan)睛(Jing),(?)并(Bing)有(You)利(Li)于(Yu)提(Ti)高(Gao)视(Shi)敏(Min)度(Du)。(?)
上(Shang)一(Yi)篇(Pian) :
这(Zhe)才(Cai)是(Shi)清(Qing)洗(Xi)金(Jin)相(Xiang)显(Xian)微(Wei)镜(Jing)镜(Jing)头(Tou)的(De)正(Zheng)确(Que)方(Fang)法(Fa),(?)赶(Gan)快(Kuai)来(Lai)试(Shi)试(Shi)!(?)
下(Xia)一(Yi)篇(Pian) :
关(Guan)于(Yu)金(Jin)相(Xiang)显(Xian)微(Wei)镜(Jing)的(De)参(Can)数(Shu)术(Shu)语(Yu)你(Ni)知(Zhi)道(Dao)多(Duo)少(Shao)呢(Ne)?(?)
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