<TABLE cellPadding=4 cellSpacing=0 width="100%"><TR><TD glow(color=#9898BA,strength=2)" vAlign=center width=*> <FONT color=#990000><B>dfjss</B></FONT> </TD></TR></TABLE><P>i have designed the lens for tow days ,but i can not get the satisfied system. oh oh optical is so hard for me. </P><P> if posible ,give me some advise and tips. thank you very much</P>