<P>设计一像方远心系统。在设计中,采用1/exp=0作为远心条件,或令各场(F1~F4)的R1光线相互平行,垂直于像平面。</P>
<P>结果如图。</P>
<P>各场(F1~F4)的R1光线相互平行,垂直于像平面。但各场(F1~F4)的R2、R3并不相互平行,有4度的差别。并不是远心系统。</P>
<P>若在优化中,强行令R2、R3平行,比如说 @a41==(aoi Si F1 r2)/(aoi Si F4 r2); a41=1 ... ...</P>
<P>有时,结果不收敛;或结果很差。</P>
<P>请教,大家在设计像方远心(telecentric)时,都用什么作优化条件呀?</P>
<P>多谢!!</P>
<img src="data/attachment/forum/dvbbs/2004-9/20049114222517.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'data/attachment/forum/dvbbs/2004-9/20049114222517.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />