Step

0-(±)10D for 0.125D
           (±)10D-(±)15D for 0.25D

Prismatic Power

Range

4 prism diopter

Step

1 diopter

Cylindrical Axis

Range

0 to 180 degrees

Step

5 degrees

Lenses Accommodated

Diameter 20mm to 80mm

Eyepiece Focusing

-5D to +5D

Bulb

6V/3W