| Item and range of measurement: |
| Myopia:0 to -19.00 diopter in 0.25 diopter step (0.12 diopter step) |
| Hyperopia:0 to +16.75 diopter in 0.25 diopter step (0.12 diopter step) |
| Astigmatism:0 to -6.00 diopter(-8.00 diopter) in 0.25 diopter step (0.12 diopter step) |
| Near vision test: Main optical axes of both lenses converges by means of a tilt mechanism at 40cm in front of the eyes at 64mm P.D. If P.D. for far vision is less then 54mm,converging operation stops. |
| Binocular balance test: Rotary prism and polarizing lens methods are available. |
| P.D.:48 to 75mm by 1mm step |
| Level adjustment: More than 4.5 for right and left banks |
| Dimensions:335(at 64mm P.D. setting) 97 294mm |
| Weight:4.5kg |
