NPOL-16
| Optical System | Infinity Optical System | |||
| Head | Seidentopf Trinocular Head, 30° Inclined, Interpupillary 48~75mm, Diopter Adjustable | |||
| Eyepiece | Plan Eyepiece EW10x/22mm, Eyepiece Tube Dia.30mm | |||
| Plan Eyepiece With Scale of Crosshair | ||||
| Plan Eyepiece With Cross | ||||
| Plan Eyepiece With Gridding | ||||
| Nosepiece | Backward Quintuple Nosepiece | |||
| Objective | Strainfree LWD Infinity Plan Achromatic Objective | 5x/0.12/∞/- W.D.15.5mm | ||
| 10x/0.25/∞/- W.D.10mm | ||||
| 20x/0.4/∞/0 W.D.4.3mm | ||||
| 50x/0.75/∞/0 W.D.0.32mm | ||||
| 100x/0.8/∞/0 W.D.2mm | ||||
| Strainfree Infinity Plan Achromatic Objective | 40x/0.65/∞/0.17 W.D.0.54mm | |||
| 100x/1.25/∞/0.17 W.D.0.13mm | ||||
| Nosepiece | Backward Quintuple Nosepiece, Center Adjustable | |||
| Analyzer | 360° Dial Rotation Analyzer, Minimum Scale Reading 0.1° (Vernial Scale) | |||
| --Switch Between Orthoscopic And Conoscopic Observation | ||||
| --Bertrand Lens Postion Adjustable | ||||
| --Optical Compensator: λ Slip (First Class Red), 1/4λ Slip, Quartz Wedge | ||||
| Working Stage | Polarizing Rotatable Stage, Dia.170mm, Center Adjustable | |||
| 360° Scale, Minimum Division 1° | ||||
| Minimum Reading 6' By Means of Vernial Scale | ||||
| 45° Click Stop Knob | ||||
| Condenser | Strainfree Swing Condenser N.A.0.95/0.25 | |||
| Focusing | Coaxial Coarse & Fine Adjustment, Focusing Range 32mm, Fine Division 0.001mm, Coarse Stroke 37.7mm Per Rotation, Fine Stroke 0.1mm Per Rotation | |||
| Polarizer | For Reflect: Fixed Polarizer | |||
| For Transmit: 360° Rotatable Polarizer, 0° Position Adjustable | ||||
| Illumination | Reflect Light Halogen Lamp 24V100W, Brightness Adjustable | |||
| Transmit Light Halogen Lamp 24V100W,Brightness Adjustable | ||||
| Blue Filter, Dia.45mm | ||||