green laser pointer goes into infinity. make green line in sky to point out stars at night
http://www.telescope.com/jump.jsp?itemID=80791&itemType=PRODUCT&path=1,2,6,30&KickerID=591&KICKER
http://www.telescope.com/jump.jsp?itemID=80791&itemType=PRODUCT&path=1,2,6,30&KickerID=591&KICKER