(https://tokinalens.com/news/tokina_atx_m_23mm_f1_4_e_atx_m_33mm_f1_4_e_atx_m_56mm_f1_4_e_worldwide_sales_date_announcement/)
Fuente: https://tokinalens.com/news/tokina_atx_m_23mm_f1_4_e_atx_m_33mm_f1_4_e_atx_m_56mm_f1_4_e_worldwide_sales_date_announcement/