ðɪs ɪfˈɛkt kæn ˈɔːlsoʊ biː ˈɪmpɹəvˌaɪzd baɪ smˈɪɹɪŋ pətɹˈoʊliːəm dʒˈɛli ˌɔn ɐ jˌuːvˈiː fˈɪltɚ ɔːɹ ʃˈuːɾɪŋ θɹuː ɐ nˈaɪlɑːn stˈɑːkɪŋ.
This effect can also be improvised by smearing petroleum jelly on a UV filter or shooting through a nylon stocking.