金相显微镜的检测
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">1 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">概述</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR> </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">我们经常接触的是一般普通金相显微镜，它主要用于测量金属表机金相组织的测试，用途比较广泛，对企业，冶金等部门起着实验，研究不可缺少的重要作用。生产金相显微镜厂家比较多，型号，规格又不统一，所以对金相显微镜检测至今尚无国家、地方、部门检定规程，因此，我们依据国家标准对其进行检测。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR> 2 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">对金相显微镜检测项目、方法和技术要求：</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR> 2.1 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">物镜转换器定位误差</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR> </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">检具：（</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">1</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">）</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">10</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">倍十字目镜。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR> </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">（</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">2</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">）分划值为</SPAN><?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue=".01" UnitName="mm"><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">0.01mm</FONT></SPAN></st1:chmetcnv><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">的分划尺，其任意两划线间的极限偏差为</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">±<st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue=".005" UnitName="mm">0.005mm</st1:chmetcnv></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR> </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">检测方法：在被检金相显微镜的转换器上装</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">40</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">倍物镜，目镜筒内放</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">10</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">倍十字目镜，对置于载物台上的</SPAN><st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue=".01" UnitName="mm"><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">0.01mm</FONT></SPAN></st1:chmetcnv><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">分</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">划尺调焦清晰，使分划尺上某一分划与目镜中十字划中心重合，然后转动物镜转换器向左，右多次定位（不少于</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">3 <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">次），观察</SPAN><st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue=".01" UnitName="mm"><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">0.01mm</FONT></SPAN></st1:chmetcnv><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">分划尺像的偏移，以最大偏移值作为检测值。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">技术要求：不大于</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">0.02 mm</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR>2.2 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">转换物镜时第一次像面中心偏：</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">检具：（</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">1</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">）</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">10</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">倍十字分划目镜。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">（</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">2</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">）二字分划板。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">检测方法：用</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">10</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">倍十字分划目镜和各放大率物镜在被检显微镜上进行检测，以偏的最大值作为检测值。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">技术要求：由</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">10</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">倍物镜转换至其它放大率物镜时均不越出视场。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR>2.3 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">载物台旋转中心偏移：</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">检具：（</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">1</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">）</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">10</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">倍十字分划目镜。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">（</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">2</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">）二字分划板。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">检测方法：在被检金相量微镜上用</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">10</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">倍十字分划目镜和</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">10</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">倍物镜对置于载物台上的十字分划板调焦清晰，在转动载物台的同时移动十字分划板，使十字线中心的像趋向于最小的圆，以最小圆的直径作为检测值。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">技术要求：显微镜第一次像的中心，最大偏移不大于</SPAN><FONT face="Times New Roman"><st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue=".2" UnitName="mm"><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US>0.2mm</SPAN></st1:chmetcnv><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US> </SPAN></FONT><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR>2.4 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">十字分划目镜的十字线中心偏差：</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">检具：十字分划板。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">检测方法：在显微镜上用</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">10</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">倍物镜和被检十字分划目镜对置于载物台上的十字分划板调焦清晰，并使十字分划板中心的像与十字分划板目镜重合，然后旋转十字分划目镜，以两十字线中心的最大偏移作为检测值。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">技术要求：十字分划目镜的十字线中心应与目镜升圆轴线重合，其偏差为</SPAN><st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue=".01" UnitName="mm"><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">0.01mm</FONT></SPAN></st1:chmetcnv><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR>3 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">检测中发现的问题</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">显像部分出现的问题比较严重。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR>3.1 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">光学系统：</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">（</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">1</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">）视场模糊或视场一样不清晰。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">（</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">2</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">）像发闪烁，反差不好。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">（</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">3</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">）转换物镜时不到同焦。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">（</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">4</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">）即使用高电压，视场也难以鲜明。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR>3.2 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">粗、微调部</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">（</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">1</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">）粗调控制钮旋转时发重。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">（</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">2</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">）由于载物台自然下降或粗调的滑动使观察中的焦点离开。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR>3.3 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">双目镜筒：</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">双目镜筒的视场不一致。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">以上问题很容易校正过来，基本准确可靠。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></P>
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