REFRAKTOR dar astronomiya

REFRAKTOR, dar astronomiya, teleskopero nomand, ki dar on tasviri jirmhoi munir (Oftob, sitoraho va gayra) tavassuti inkisori shuohoi rushnoi dar obektivi linzavi hosil meshavad (nigared, naqsha). Bori avval G. Galiley (1609) istifoda burdaast.

Baroi hosil kardani tasviroti khushsifat dar Refraktor shishahoi makhsusro istifoda mebarand va miqdori linzahoro ziyod mekunand. Kalontarin dar jahon Refraktor dar Rasadkhonai astronomid Yerk (Shtathoi Muttahidai Amerika) amal mekunad; diametri obektivash 1 metr ast.