For processing eyeglass precision and axial position quickly, set the Center and the Center for displacement.
Detailed Product Description:
1. Compact and pretty appearance design,no vision difference on the
display screen, no deformation and accurate lens layout abtained,
bifocal lens can be positioned quickly and accurately, the small
lens can also be put in clear projectile.
Electric Voltage: 220V/50Hz or 110V/60Hz