| Horizontal Scale X | 0-18cm |
|---|---|
| Vertical Scale Z | 0-14cm |
| Focal Length of Objective | 75mm (3”) |
| Ramsden Eyepiece | 10x |
| Cross Wire | Fine quality cross line glass graticule |
| Base | Heavy cast iron base |
| Leveling Screws | One fxed and two moveable |
| Least Count | 0.01mm or 0.001 cm |