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<br /> <br /> <br /> </div> <div class="postmsg"><br /> <br /> 看看！！！！！！！！！！！<br /> <br /> <br /> <br /> <br /> </div> <div class="postmsg"><br /> <br /> chb1984 你说的很有道理,对于没有严格像面重合的系统很好用!!!那么对于视差要求很严的呢?你是先保证像质还是保证视差,或者二者兼顾!!!<br /> <br /> <br /> <br /> <br /> </div> <div class="postmsg">chb1984 我经过验证这个方法与ZEMAX优化的结果,误差在0.03mm左右,对付望远系统足够了!!!</div> <div class="postmsg">lang123 明显你是个比我专业的人 我只是提出点意见,对你提供的资料还是很感谢的. 可以用ZEMAX画出各个组员相对于相面的位移?</div> <div class="postmsg">我看看啊！！！！<br /> 非常感谢楼主啊！@@</div> <div class="postmsg">好帖子，请问优化变焦系统基本都用那些操作数？</div> <div class="postmsg">变焦系统的优化是个难题,特别是在变量比较少的的情况下,根据不同情况可以取不同的优化函数!!!一般情况下先要考虑几何光学的基本参量,等到满足了这个,才考虑把每个多重结构的像质平衡一下,基本相差不多。要记住我个人的观点只是平衡，校正变得可能比较麻烦。欢迎大家像chb1984 那样，多多提出自己的观点，大家共同进步！！！在这里没有正确和错误，只有您自己的观点！！！</div> <div class="postmsg">搂主的归纳很好啊 ，借助您的总结我又梳理了一下变焦系统的理论知识。我很想看看像质怎样，能否贴长中短三<br /> 个位置的传函上来看看呢？我设计的变焦系统用这种理论方法算就不可行，得不到良好的像质，理论和实际总是相差很多，最终采用的是多点拟合方法。</div> <div class="postmsg">我个人觉得变焦曲线的选取是自由的，变倍组和补偿组之间的运动关系只要满足变焦方程就行了。当然，为了加工上的方便，我们可以将其中一条曲线按一些标准曲线方程选取。在ZEMAX中，可以用多重结构来配置每个变焦位置，这些位置量就是根据变焦方程计算出来的，至少要取长、中、短焦三个位置，当然取得越多越好，但在优化时会花费更多的时间。在每个配置里的操作数使用形式有两种，ZEMAX说明书里说得很清楚了。</div> <div class="postmsg">晕晕说出了这种方法的局限性,这种方法我一般是只在高倍和低倍平衡像质,因此只有在两个极限位置像质尚可,其他位置则比极限位置差,但是一般不会有太大的差异。还要提醒各位一点，我的方法只适用于变倍转像系统，其他系统并不非常适用。作为一种探讨拿出来和大家分享，希望大家有什么更好的方法那出来，大家共同进步。如果是像质要求非常高的系统，建议大家还是采用拟合法比较好。如果是要求像面完全重合、而像质不是很高的系统采用这种方法或许可以！！！以下是我做的曲线</div> <div class="postmsg">thanks！！！！！！！！！！！！！！！</div> <div class="postmsg">看看！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！</div> <div class="postmsg">学习学习！<br /> 多谢楼主及大家的讨论，学到了一些知识！</div> <div class="postmsg">我有用ZMX宏语言写一个计算二组元变焦的优化计算程序，原理很简单就是增加一个变焦组的步长，然后优化出另外两个间隔的值~！不过要自己要在优化操作中控制系统的总长和像差~~我用在望远系统中是可以的，估计数码变焦镜头不行，精度达不到~！！</div> <div class="postmsg">谢谢1！！！！！！！！！！！！！</div> <div class="postmsg">谢谢1！！！！！！！！！！！！！</div> <div class="postmsg">thanks!!!!!!!!!!!!!!!!!!!!!!!!!!!</div> <img src="data/attachment/forum/month_0901/0901151332470542f126b333a6.jpg" alt="关于变焦曲线的个人研究: 1.jpg" title="关于变焦曲线的个人研究: 1.jpg" onload="javascript:if(this.width>600)this.width=600;"> <div style="height200px;"></div> <ul class="xl xl2 cl" style="border-top: 1px #cccccc dashed;margin:5px 0 ;padding-top:5px"> <dl><b> 同一主题资料:</b></dl><dl class='icon'><img src="static/image/filetype/msoffice.gif" border="0" class="vm" alt="" /> <a href="attachcenter-page.html?aid=33979" title="变焦曲线计算公式的推导以及应用.doc">变焦曲线计算公式的推导以及应用.doc</a> <font color="#AAAAAA">(197.5 KB)</font> </dl> <dl class='icon'><img src="static/image/filetype/msoffice.gif" border="0" class="vm" alt="" /> <a href="attachcenter-page.html?aid=33980" title="变焦曲线计算公式的推导以及应用.doc">变焦曲线计算公式的推导以及应用.doc</a> <font color="#AAAAAA">(197.5 KB)</font> </dl> <dl style="margin:10px 1px;display:inline"><a href="attachcenter-page.html?aid=35118" title="1.jpg"><img src="data/attachment/forum/month_0901/0901151332470542f126b333a6.jpg" alt="1.jpg" title="1.jpg" 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