redflag 发表于 2004-5-24 19:27:00

20MM SLR FNO=2.8

<P><img src="data/attachment/forum/dvbbs/2004-5/2004524112646375.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/2004-5/2004524112646375.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
<img src="data/attachment/forum/dvbbs/2004-5/2004524112646476.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/2004-5/2004524112646476.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
</P>
<P><img src="data/attachment/forum/dvbbs/2004-5/2004524112715792.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/2004-5/2004524112715792.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
<img src="data/attachment/forum/dvbbs/2004-5/2004524112715834.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/2004-5/2004524112715834.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
</P><img src="data/attachment/forum/dvbbs/2004-5/2004524112739508.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/2004-5/2004524112739508.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />

simem 发表于 2004-5-24 19:57:00



<P>戴兄, 第二组镜片是两块透镜还是三个胶合面?</P>



redflag 发表于 2004-5-24 20:02:00

9G10E

伯爵之光 发表于 2004-5-31 17:06:00



改变权重改善边缘视场



redflag 发表于 2004-5-31 17:31:00

<P>我认为没有必要.</P>

poon 发表于 2004-6-2 04:09:00



不错的，畸变有点大，可以看出已经使用命令将边缘的畸变缩小而产生了高级畸变，并且使得边缘的象散较大。我认为第一片使用非球面应该是会有所改善的。



redflag 发表于 2004-6-2 04:24:00

<P><img src="data/attachment/forum/dvbbs/2004-6/200461202320923.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/2004-6/200461202320923.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
</P>
<P>多谢指点,畸变是有点大了.</P>

poon 发表于 2004-6-2 05:19:00



我对你使用了什么玻璃比较感兴趣，你能告诉吗？



johncai 发表于 2004-6-3 19:06:00



已经不简单了，顶一下



robertyang 发表于 2004-6-7 04:46:00

<P>应该很不错，畸变也不算大。</P>

janmei 发表于 2004-6-9 19:14:00

<P>不简单!顶一下!</P>

zta 发表于 2004-6-17 04:51:00

<P>不错，是否有点复杂？</P>
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