CTA-100 Eyepiece Adapter converts smart phones into professional digital eyepieces for the traditional optical Instruments. Just attach the equipped smart
CTA-300 Smartphone Adapter converts smart phones into professional digital eyepieces for the traditional optical Instruments. Just attach the equipped smartphone
Feature: 1.automatic operation system 2.anterior eye photography 3.with computer built in 4.non-mydriaticļ¼auto focus, auto exposure 5. Minimum Pupil Size: 2.8mm