HY-2A Centering Machine

Feature:  Retinal Lenses are made of high transmittance glass and precision double aspheric designs that yield an extremely wide

Feature:  Non-mydriatic image with reliable quality.  45⁰ full-circle design.  Switching anterior-posterior, para-position compensation lens.  Split-line aligning

Converts smart phones into professional digital eyepieces for the traditional optical Instruments. Just attach the equipped smart phone to the

Feature:  For children, the old and people who are inconvenient to move。  For animals (pet)  Out consultation