Feature: Convenient, pocket friendly size, easy to carry with. Technical Data Illumination Large light spot(Φ3.2mm), Small light spot(Φ1.6mm) Slit, Central-net,
Technical Data HY8C Illumination form: Large light spot(Φ3.2mm), Small light spot(Φ1.6mm), Semi Light Spot, Fixation Star, Red-free filter, Blue filter