Specifications:
Sphere powers range±16.75Dto-19.00D,with minimum reading 0.25D or 0.12D
(when 0.12D auxiliary lens or optional±0.12D lens is in use) 26.75D to－29.00D (When optional ±10.00D lens is in use)
Cylinder powers range0 to-6.00D,with minimum reading 0.25Dor0.12D( when auxiliary lens is in use) 0 to-8.00D( when-2.00D auxiliary lens is in use)Astigmatic axis scale0 to 180°in 5°stepsCross Cylinder±0.25D，reversal type（synchronized with astigmatic axis）Rotary prism0 to20△D in 1△D steps
Catalogue: PDF
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