<P>本人设计一款消二级光谱望远镜,F=600mm,F#=6,视场为17mm的</P>
<P>透镜内调焦的望远镜,调焦范围,19m-无限远,可直接配备1/2吋300</P>
<P>万(像元尺寸为3.5umx3.5um)的CCD,用材方面没有超昂贵的FK系</P>
<P>列和超难加工的TF系列材料,希望可以与厂家合作,shandaiwang001@yahoo.com.cn</P><img src="data/attachment/forum/dvbbs/2004-4/20044198143674.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/2004-4/20044198143674.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />