APLANATIC OCULAR
\ɐplɐnˈatɪk ˈɒkjʊlə], \ɐplɐnˈatɪk ˈɒkjʊlə], \ɐ_p_l_ɐ_n_ˈa_t_ɪ_k ˈɒ_k_j_ʊ_l_ə]\
Sort: Oldest first
-
An o. corrected for spherical aberration, with the chromatic aberration usually eliminated,
By Smith Ely Jelliffe
