- Sphere power Range： +16.75 to –19.00 diopters Step: 0.25 diopters
- Cylinder power Range： 0.00 to –6.00 diopters (0.00 to –8.00 diopters with additional lens of –2.00 diopters) Step: 0.25 diopters
- Cylinder axis： 0 to 180 ° , 5 ° steps
- Cross cylinder： ± 25 diopters
- Rotary prisms 0 △ to 20 △ , 1 △ steps
- Auxiliary：(O)-Open aperture (two positions) lens dial; (R)-Retinoscopic lens, +1.50D ; (P)-Polarizing lens 45 ° -left eye 135 ° -right eye ; (WMV) or (RMV)-Maddox rod, vertical white-left eye red-right eye ; (WMH) or (RMH)-Maddox rod, horizontal white-left eye red-right eye ; (RL)-Red lens ;(+.12)-+0.12D sphere; (PH)-Pin hole; (10 △ L) or (6 △ U)-10 △ base-in-left eye; 6 △ base-up-right eye ; (Dissociating prisms) ( ± .50)- ± 0.50 fixed cross cylinder ; (OC)-Occluder
- P.D.adjustment： 48-75mm, 1mm steps
- Standard accessory lenses： Two-.12D and –2.00 cylinder lenses, two plano lenses for sealing front opening
- Standard accessories： 1 near point card with holder and reading rod, dust cover, face shield, accessory case for lenses
- Dimensions： 318 × 293 × 96(mm)
- Net weight： Approx 4.5kgs
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