Technical Specifications:-

1. Measurement Range : ±25 D
2. Scale : Up to ±5 D measuring step 0.125D and ±5 D~±25 D in the steps of 0.25D
3. Cyl. Axis : 0-180⁰ in the steps of 1⁰
4. Prism Dioptric Range : 0 to 5 Δ in step of 1Δ (without use of Prism Compensator)

                                                       0-20Δ (with use of Compensator)

5. Prism Base angle : 0-180⁰
6. Eye piece Dioptric Adjustment range: ±5 D
7. Target : Bright illuminated Corona Cross Target
8. Measurable size of Lens : φ 6mm to φ80mm
9. Dimension in mm : 275(L) x 130(W) x 455(H)
10. Weight : Approx 5.5 Kg.
11. Lamp : 15 W Tungsten Bulb
12. Power Supply : 220V AC
13. Power Consumption : 15W