http://wouldyoulike.org/featured/%eb%a7%9d%ec%9b%90%ea%b2%bd-%ec%8b%9c%eb%a0%a5%ec%9d%98-%ed%95%9c%ea%b3%84-at-the-limit-of-diffraction/ 와...6.5미터로 보는 하늘은 어떨까요??