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class="authi"><a href="http://club.oecr.com/space-uid-76009.html" target="_blank" class="xw1" style="color: #33FF00">zpslovecxx</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo492460" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo492460_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-76009.html" target="_blank" class="xi2" style="color: #33FF00">zpslovecxx</a></strong> <em>当前离线</em> </div><dl class="cl"> <dt>积分</dt><dd><a href="http://club.oecr.com/home.php?mod=space&uid=76009&do=profile" target="_blank" class="xi2">141</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=76009&do=profile" target="_blank" title="查看详细资料"><img src="static/image/common/userinfo.gif" alt="查看详细资料" /></a> <a href="http://club.oecr.com/home.php?mod=magic&mid=showip&idtype=user&id=zpslovecxx" id="a_showip_li_492460" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/showip.small.gif" alt="" /> IP卡</a> <a href="http://club.oecr.com/home.php?mod=magic&mid=checkonline&idtype=user&id=zpslovecxx" id="a_repent_492460" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/checkonline.small.gif" alt="" /> 狗仔卡</a> </div> <div id="avatarfeed"><span id="threadsortswait"></span></div> </div> </div> <div> <div class="avatar"><a href="http://club.oecr.com/space-uid-76009.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=76009&size=middle" /></a></div> </div> </div> </td> <td class="plc"> <div class="pi"> <div id="fj" class="y"> <label class="z">电梯直达</label> <input type="text" class="px p_fre z" size="2" onkeyup="$('fj_btn').href='forum.php?mod=redirect&ptid=77370&authorid=0&postno='+this.value" onkeydown="if(event.keyCode==13) {window.location=$('fj_btn').href;return false;}" title="跳转到指定楼层" /> <a href="javascript:;" id="fj_btn" class="z" title="跳转到指定楼层"><img src="static/image/common/fj_btn.png" alt="跳转到指定楼层" class="vm" /></a> </div> <strong> <a href="http://bbs.oecr.com/thread-77370-1-1.html" id="postnum492460" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>1</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon492460" src="static/image/common/online_member.gif" /> <em id="authorposton492460">发表于 2008-11-4 11:27:20</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=77370&page=1&authorid=76009" rel="nofollow">只看该作者</a> <span class="none"><img src="static/image/common/arw_r.gif" class="vm" alt="回帖奖励" /></span> <span class="pipe show">|</span><a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=77370&extra=&ordertype=1" class="show">倒序浏览</a> <span class="pipe show">|</span><a href="javascript:;" onclick="readmode($('thread_subject').innerHTML, 492460);" class="show">阅读模式</a> </div> </div> </div><div class="pct"><style type="text/css">.pcb{margin-right:0}</style><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_492460"> <br /> <br /> 最近设计得一个变焦系统<br /> 指定得指标：焦距5~50，系统总长不能超过120，畸变5%以内。<br /> 下面是我设计得结果，设定了三个位置，每个位置MTF都过得去，短焦得畸变在4.2%左右（也还行），<br /> 视场：6.9°：65°；系统总长100；F/#：2.56-3（这个是个问题）。<br /> 这里的F/#让我头疼。刚设计得时候是所有位置定得F=3的，但是后来发现变焦镜头的F数是有范围的，后来发现短焦位置的光束没有充满口径，想算出各个位置的F数，但是不知道如果去算，结果就手动随便改的F数直到变焦得位置光束都充满了口径。<br /> 我的问题是：<br /> 1.变焦镜头得设计是不是分可以固定其F数和变化F数范围两类？分别用在哪儿？<br /> 2.如果设计F数变化的镜头，请问各个位置F数如何去计算？<br /> 3.现在设计过程中本来是10倍得变焦镜头，但是只有3个变焦位置的分析，如果得到其他位置的值？<br /> 4.如何去分析凸轮的问题？<br /> 5.此结构是否还有可能缩小尺寸，减少镜片？（不能有胶合面，<a href="http://material.oecr.com" target="_blank" class="relatedlink">材料</a>只能选ZF6/LAF3/LAK3/ZK9/ZK7/K9/QK3/SIO2其他暂时不能用。）<br /> 请不吝赐教，不胜感激，如果这里不好回帖请加QQ：171360131细说，或请留下联系方式交流<br /> 本人未来将长时间进行<a href="http://opticaldesign.oecr.com" target="_blank" class="relatedlink">光学设计</a>工作希望找到伙伴一起交流。<br /> <br /> <br /> <br /> </td></tr></table> <div 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onclick="showWindow(this.id, this.href)"><img src="static/image/magic/sofa.small.gif" />抢沙发</a></li> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=jack&idtype=tid&id=77370" id="a_jack" onclick="showWindow(this.id, this.href)"><img src="static/image/magic/jack.small.gif" />千斤顶</a></li> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=namepost&idtype=pid&id=492460:77370" id="a_namepost_492460" onclick="showWindow(this.id, this.href)"><img src="static/image/magic/namepost.small.gif" />显身卡</a><li> </ul> <script type="text/javascript" reload="1">checkmgcmn('post_492460')</script> </div> </div> </td> </tr> <tr class="ad"> <td class="pls"> </td> <td class="plc"> </td> </tr> </table> <script type="text/javascript" reload="1"> aimgcount[492460] = ['32299','32300','32301','32302','32303']; attachimggroup(492460); var aimgfid = 0; </script> </div><div class="postaaa posta1" id="post_492475" ><table id="pid492475" class="plhin" summary="pid492475" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar492475" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-76009.html" target="_blank" class="xw1" style="color: #33FF00">zpslovecxx</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo492475" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo492475_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-76009.html" target="_blank" class="xi2" style="color: #33FF00">zpslovecxx</a></strong> <em>当前离线</em> </div><dl class="cl"> <dt>积分</dt><dd><a href="http://club.oecr.com/home.php?mod=space&uid=76009&do=profile" target="_blank" class="xi2">141</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=76009&do=profile" target="_blank" title="查看详细资料"><img src="static/image/common/userinfo.gif" alt="查看详细资料" /></a> <a href="http://club.oecr.com/home.php?mod=magic&mid=showip&idtype=user&id=zpslovecxx" id="a_showip_li_492475" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/showip.small.gif" alt="" /> IP卡</a> <a href="http://club.oecr.com/home.php?mod=magic&mid=checkonline&idtype=user&id=zpslovecxx" id="a_repent_492475" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/checkonline.small.gif" alt="" /> 狗仔卡</a> </div> <div id="avatarfeed"><span id="threadsortswait"></span></div> </div> </div> <div> <div class="avatar"><a href="http://club.oecr.com/space-uid-76009.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=76009&size=middle" /></a></div> </div> </div> </td> <td class="plc"> <div class="pi"> <strong> <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&ptid=77370&pid=492475" id="postnum492475" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>2</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon492475" src="static/image/common/ico_lz.png" /> 楼主<span class="pipe">|</span> <em id="authorposton492475">发表于 2008-11-4 11:41:17</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=77370&page=1&authorid=76009" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_492475"> <br /> <br /> 刚才把东西拷过来得时候畸变出了点小问题，CODE V经常出这种小毛病 不好意思！<br /> <br /> <br /> <br /> </td></tr></table> </div> <div id="comment_492475" class="cm"> </div> <div id="post_rate_div_492475"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition492475"></tr> <tr> <td class="pls"></td> <td class="plc" style="overflow:visible;"> <div class="po hin"> <div class="pob cl"> <em> <a class="fastre" href="forum.php?mod=post&action=reply&fid=3&tid=77370&repquote=492475&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=77370&pid=492475&hash=e45fbced" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_492475').innerHTML ? $('review_support_492475').innerHTML : 0) + ' 人 支持'">支持 <span id="review_support_492475"></span></a> <a class="replysubtract" href="forum.php?mod=misc&action=postreview&do=against&tid=77370&pid=492475&hash=e45fbced" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_against_492475').innerHTML ? $('review_against_492475').innerHTML : 0) + ' 人 反对'">反对 <span id="review_against_492475"></span></a> </em> <p> <a href="javascript:;" id="mgc_post_492475" onmouseover="showMenu(this.id)" class="showmenu">使用道具</a> <a href="javascript:;" onclick="showWindow('miscreport492475', 'misc.php?mod=report&rtype=post&rid=492475&tid=77370&fid=3', 'get', -1);return false;">举报</a> </p> <ul id="mgc_post_492475_menu" class="p_pop mgcmn" style="display: none;"> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=namepost&idtype=pid&id=492475:77370" id="a_namepost_492475" onclick="showWindow(this.id, this.href)"><img src="static/image/magic/namepost.small.gif" />显身卡</a><li> </ul> <script type="text/javascript" reload="1">checkmgcmn('post_492475')</script> </div> </div> </td> </tr> <tr class="ad"> <td class="pls"> </td> <td class="plc"> </td> </tr> </table> </div><div class="postaaa posta2" id="post_492838" ><table id="pid492838" class="plhin" summary="pid492838" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar492838" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-76009.html" target="_blank" class="xw1" style="color: #33FF00">zpslovecxx</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo492838" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo492838_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-76009.html" target="_blank" class="xi2" style="color: #33FF00">zpslovecxx</a></strong> <em>当前离线</em> </div><dl class="cl"> <dt>积分</dt><dd><a href="http://club.oecr.com/home.php?mod=space&uid=76009&do=profile" target="_blank" class="xi2">141</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=76009&do=profile" target="_blank" title="查看详细资料"><img src="static/image/common/userinfo.gif" alt="查看详细资料" /></a> <a href="http://club.oecr.com/home.php?mod=magic&mid=showip&idtype=user&id=zpslovecxx" id="a_showip_li_492838" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/showip.small.gif" alt="" /> IP卡</a> <a href="http://club.oecr.com/home.php?mod=magic&mid=checkonline&idtype=user&id=zpslovecxx" id="a_repent_492838" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/checkonline.small.gif" alt="" /> 狗仔卡</a> </div> <div id="avatarfeed"><span id="threadsortswait"></span></div> </div> </div> <div> <div class="avatar"><a href="http://club.oecr.com/space-uid-76009.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=76009&size=middle" /></a></div> </div> </div> </td> <td class="plc"> <div class="pi"> <strong> <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&ptid=77370&pid=492838" id="postnum492838" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>3</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon492838" src="static/image/common/ico_lz.png" /> 楼主<span class="pipe">|</span> <em id="authorposton492838">发表于 2008-11-5 11:35:09</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=77370&page=1&authorid=76009" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_492838"> <br /> <br /> CODE V只能提供200个点得插值结果，我把其中一些点数据拿出来 看了看结果不太理想，听说有另外一中方法是优化所有点位置的，请问有人知道么 ？<br /> <br /> <br /> <br /> </td></tr></table> </div> <div id="comment_492838" class="cm"> </div> <div id="post_rate_div_492838"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition492838"></tr> <tr> <td class="pls"></td> <td class="plc" style="overflow:visible;"> <div class="po hin"> <div class="pob cl"> <em> <a class="fastre" href="forum.php?mod=post&action=reply&fid=3&tid=77370&repquote=492838&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=77370&pid=492838&hash=e45fbced" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_492838').innerHTML ? $('review_support_492838').innerHTML : 0) + ' 人 支持'">支持 <span id="review_support_492838"></span></a> <a class="replysubtract" href="forum.php?mod=misc&action=postreview&do=against&tid=77370&pid=492838&hash=e45fbced" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_against_492838').innerHTML ? $('review_against_492838').innerHTML : 0) + ' 人 反对'">反对 <span id="review_against_492838"></span></a> </em> <p> <a href="javascript:;" id="mgc_post_492838" onmouseover="showMenu(this.id)" class="showmenu">使用道具</a> <a href="javascript:;" onclick="showWindow('miscreport492838', 'misc.php?mod=report&rtype=post&rid=492838&tid=77370&fid=3', 'get', -1);return false;">举报</a> </p> <ul id="mgc_post_492838_menu" class="p_pop mgcmn" style="display: none;"> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=namepost&idtype=pid&id=492838:77370" id="a_namepost_492838" onclick="showWindow(this.id, this.href)"><img src="static/image/magic/namepost.small.gif" />显身卡</a><li> </ul> <script type="text/javascript" reload="1">checkmgcmn('post_492838')</script> </div> </div> </td> </tr> <tr class="ad"> <td class="pls"> </td> <td class="plc"> </td> </tr> </table> </div><div class="postaaa posta3" id="post_493888" ><table id="pid493888" class="plhin" summary="pid493888" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar493888" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-9001.html" target="_blank" class="xw1" style="color: #FFCC00">xpwj</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo493888" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo493888_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-9001.html" target="_blank" class="xi2" style="color: #FFCC00">xpwj</a></strong> <em>当前离线</em> </div><dl class="cl"> <dt>积分</dt><dd><a href="http://club.oecr.com/home.php?mod=space&uid=9001&do=profile" target="_blank" class="xi2">5351</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=9001&do=profile" target="_blank" title="查看详细资料"><img src="static/image/common/userinfo.gif" alt="查看详细资料" /></a> <a href="http://club.oecr.com/home.php?mod=magic&mid=showip&idtype=user&id=xpwj" id="a_showip_li_493888" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/showip.small.gif" alt="" /> IP卡</a> <a href="http://club.oecr.com/home.php?mod=magic&mid=checkonline&idtype=user&id=xpwj" id="a_repent_493888" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/checkonline.small.gif" alt="" /> 狗仔卡</a> </div> <div id="avatarfeed"><span id="threadsortswait"></span></div> </div> </div> <div> <div class="avatar"><a href="http://club.oecr.com/space-uid-9001.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=9001&size=middle" /></a></div> </div> </div> </td> <td class="plc"> <div class="pi"> <strong> <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&ptid=77370&pid=493888" id="postnum493888" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>4</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon493888" src="static/image/common/online_member.gif" /> <em id="authorposton493888">发表于 2008-11-7 23:56:19</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=77370&page=1&authorid=9001" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_493888"> <br /> <br /> F数在变焦过程中一般都是有变化的，像你这个系统应该短焦可以到1.6长焦可以2.0，而且总长也太长了，各个位置F数应该根据系统各位置通光来定。<br /> <br /> <br /> <br /> </td></tr></table> </div> <div id="comment_493888" class="cm"> </div> <div id="post_rate_div_493888"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition493888"></tr> <tr> <td class="pls"></td> <td class="plc" style="overflow:visible;"> <div class="po hin"> <div class="pob cl"> <em> <a class="fastre" href="forum.php?mod=post&action=reply&fid=3&tid=77370&repquote=493888&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=77370&pid=493888&hash=e45fbced" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_493888').innerHTML ? $('review_support_493888').innerHTML : 0) + ' 人 支持'">支持 <span id="review_support_493888"></span></a> <a class="replysubtract" href="forum.php?mod=misc&action=postreview&do=against&tid=77370&pid=493888&hash=e45fbced" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_against_493888').innerHTML ? $('review_against_493888').innerHTML : 0) + ' 人 反对'">反对 <span id="review_against_493888"></span></a> </em> <p> <a href="javascript:;" id="mgc_post_493888" onmouseover="showMenu(this.id)" class="showmenu">使用道具</a> <a href="javascript:;" onclick="showWindow('miscreport493888', 'misc.php?mod=report&rtype=post&rid=493888&tid=77370&fid=3', 'get', -1);return false;">举报</a> </p> <ul id="mgc_post_493888_menu" class="p_pop mgcmn" style="display: none;"> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=namepost&idtype=pid&id=493888:77370" id="a_namepost_493888" onclick="showWindow(this.id, this.href)"><img src="static/image/magic/namepost.small.gif" />显身卡</a><li> </ul> <script type="text/javascript" reload="1">checkmgcmn('post_493888')</script> </div> </div> </td> </tr> <tr class="ad"> <td class="pls"> </td> <td class="plc"> </td> </tr> </table> </div><div class="postaaa posta4" id="post_494096" ><table id="pid494096" class="plhin" summary="pid494096" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar494096" class="pls favatar"> <a name="lastpost"></a><div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-76009.html" target="_blank" class="xw1" style="color: #33FF00">zpslovecxx</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo494096" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo494096_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-76009.html" target="_blank" class="xi2" style="color: #33FF00">zpslovecxx</a></strong> <em>当前离线</em> </div><dl class="cl"> <dt>积分</dt><dd><a href="http://club.oecr.com/home.php?mod=space&uid=76009&do=profile" target="_blank" class="xi2">141</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=76009&do=profile" target="_blank" title="查看详细资料"><img src="static/image/common/userinfo.gif" alt="查看详细资料" /></a> <a href="http://club.oecr.com/home.php?mod=magic&mid=showip&idtype=user&id=zpslovecxx" id="a_showip_li_494096" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/showip.small.gif" alt="" /> IP卡</a> <a href="http://club.oecr.com/home.php?mod=magic&mid=checkonline&idtype=user&id=zpslovecxx" id="a_repent_494096" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/checkonline.small.gif" alt="" /> 狗仔卡</a> </div> <div id="avatarfeed"><span id="threadsortswait"></span></div> </div> </div> <div> <div class="avatar"><a href="http://club.oecr.com/space-uid-76009.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=76009&size=middle" /></a></div> </div> </div> </td> <td class="plc"> <div class="pi"> <strong> <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&ptid=77370&pid=494096" id="postnum494096" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>5</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon494096" src="static/image/common/ico_lz.png" /> 楼主<span class="pipe">|</span> <em id="authorposton494096">发表于 2008-11-9 15:13:16</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=77370&page=1&authorid=76009" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_494096"> <br /> <br /> 总长太长？ 你能给个短点的么？ 我知道F数在变焦过程中是变化的，但是当我导出凸轮曲线，将凸轮曲线中变焦位置的数值输入进去看光路图<br /> 发现好多位置的光线还是无法充满口径<br /> <br /> <br /> <br /> </td></tr></table> </div> <div id="comment_494096" class="cm"> </div> <div id="post_rate_div_494096"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition494096"></tr> <tr> <td class="pls"></td> <td class="plc" style="overflow:visible;"> <div class="po hin"> <div class="pob cl"> <em> <a class="fastre" 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