ðɪ ˈɑːptɪkəl dʒiˈɑːmətɹi kæn pɚhˈæps biː vˈɪʒuːəlˌaɪzd mˈoːɹ ˈiːzili baɪ sˈʌbstɪtˌuːɾɪŋ pˈɪnhoʊlz fɚðə mˈaɪkɹoʊlˌɛnzᵻz, æz hɐz ˈæktʃuːəli bˌɪn dˈʌn fɔːɹ sˌʌm dˌɛmənstɹˈeɪʃənz ænd spˈɛʃəl ˌæplɪkˈeɪʃənz.
The optical geometry can perhaps be visualized more easily by substituting pinholes for the microlenses, as has actually been done for some demonstrations and special applications.