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) | ||
| Cylinder powers range | 0 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 scale | 0 to 180°in 5°steps | |
| Cross Cylinder | ±0.25D，reversal type（synchronized with astigmatic axis） | |
| Rotary prism | 0 to20△D in 1△D steps | |
Catalogue: PDF
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