Parameters:

1. Sphere power:

Range:+16.75 to -19.00 diopters

Step:0.25 diopters

2. 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 

3. Cylinder axis: 0 to 180 ° ,5 ° steps

4. Cross cylinder:±0.25diopters

5. Rotary prisms:0 to 20 ,1 steps

6. Auxiliary lens dial

(O)-Open aperture(two positions)

(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

7. P.D.adjustment:48-75mm,1mm steps

8. Standard accessory lenses: Two-.12D and –2.00 cylinder lenses, two plano lenses for sealing front opening

9. Standard accessories:1 near point card with holder and reading rod, dust cover, face shield,

accessory case for lenses

10. Dimensions: 318 × 293 × 96(mm)

11.Net weight: Approx 4.5kgs