| Optical System | Infinite optical system |
| Viewing head | Seidentopf trinocular head inclined at 30°, Interpupillary 48-75 mm |
| Polarizer | 360° rotatable 0° adjustable position polarizer |
| Analyzer | 360° dial rotation, minimum scale reading 0.1° (Vernier scale) |
| Objective |
Infinity Plan Achromatic Objectives 4×/0.10/∞/-,W.D. 17.3 mm Infinity Plan Achromatic Objectives 10×/0.25/∞/0.17,W.D.10.0 mm Infinity Plan Achromatic Objectives 20×/0.40/∞/0.17,W.D. 5.10 mm Infinity Plan Achromatic Objectives 40×/0.65/∞/0.17,W.D.0.54 mm Infinity Plan Achromatic Objectives 100×/1.25/∞/0.17,W.D.0.13 mm |
| Eyepiece |
Plan eyepiece EW10X/22 mm Plan eyepiece with scale of crosshair, cross, and gridding |
| Polarizing rotatable stage |
Diameter 70 mm, adjustable center, 360° scale, Minimum division 1°, Minimum 6 reading by means of Vernier scale, 45° Click stop knob |
| Attachable stage | Moving range 30 × 40 mm |
| Illumination | 24 V/ 100 W Halogen lamp, Brightness adjustable |
| Nosepiece | Backward quintuple nosepiece, adjustable center |
| Condenser | Swing condenser N.A. 0.9/0.25 |
| Focusing |
Coaxial coarse & fine adjustment with 32mm range, Fine division 0.001 mm Coarse stroke 37.7 mm per rotation, Fine stroke 0.1 mm per rotation |
| Conoscopic observation attachment | Switch between Orthoscopic and Conoscopic observations, Bertrand lens position adjustable |
| Optical compensator | First Order Red Plate, Guarter-wave plate, Quartz wedge |
| Filter | Blue filter 45 mm diameter |
| Dimension | 280 × 475 × 462 mm |
| Weight | 15 kg |
