Specification
(A) Measuring range:
(1) SPH: 0.00D ~ -19.00D (-0.25D) steps
           + 0.25D~ +16.75 D(+0.25D) steps
(2)CYL: 0.00D ~ -6.00D (-0.25D) steps (with additional lens of -2.00D, the CYL power can be up to -8.00D
(3)AXIS: 0º - 180º
(4)P.D: 50mm - 78mm( in 1mm steps)
(B)Auxiliary Lenses:
(1) Occluder
(2) P.D Check
(3) Pinhole Plate(1mm)
(4) Polarizing: right eye 135º   left Eye  45º
(5) Red/Green :Filters( right eye : red    left eye: green)
(6) Dissolution prism: Right eye 6Δ B/U  Left eye 10Δ B/I
(7) Maddox Rod: Right eye red horizontal/ vertical  left eye white vertical/horizontal
(8) Fixed Cross Cylinder: ±0.50D
(9) Retinoscope: +1.50D
(C) Rotary Cross Cylinder lens: ±0.25D
(D) Rotary Prism:0Δ ~ 20Δ  (1Δ steps)
(E) Dimension & Weight:
(1) Main body: 330(W) × 400(D) × 100(H) mm
(2) Carton:430(W) × 530(D) × 200(H) mm
(3) N.W: 5.1kg
(4) G.W: 7.5kg