Category：Retinoscopy Rack Set

Product specifications：
16 pieces each of Plus and Minus AR-coating Lenses included:
   0.50D  1.00D  1.50D  2.00D  2.50D  3.00D  3.50D  4.00D
   5.00D  6.00D  7.00D  8.00D  9.00D  10.00D 12.00D 15.00D
Dimension of each rack：290mm * 50mm * 5.2mm
Clear lens diameter：15.5mm
Weight：220g