
| Optical system | UIS2 optical system |
|---|---|
| Focus | Nosepiece focus by roller guide (rack & pinion) |
| Stroke per rotation; fine: 0.1 mm coarse: 15 mm maximum stroke: 25 mm | |
| Coarse lower limit stopper mechanism, Torque adjustment mechanism for coarse focus | |
| Illuminator | Built-in Koehler illumination for transmitted light (F.N. 22) |
| 12 V 100 W long life halogen bulb (pre-centered) (average lifetime: approximately 2,000 hours) | |
| Light adjustment: less than DC2 V g 12 V (continuous adjustment) | |
| Brightness adjustment, light preset switch | |
| Nosepiece | Swing nosepiece with slot for DIC prism |
| Slide nosepiece | |
| Single position nosepiece with slot for DIC prism | |
| Swing-slide nosepiece with slot for DIC prism | |
| Observation tube | Trinocular, F.N.: 22, inclination angle: 30°, interpupillary distance: 50 mm - 76 mm |
| Erect image trinocular, F.N.: 22, inclination angle: 30°, interpupillary distance: 50 mm - 76 mm | |
| WI-DPMC Double port magnification change unit, F.N.: 22, inclination angle: 24°, interpupillary distance: 50 mm - 76 mm | |
| Condenser | Universal condenser, N.A.: 0.8, W.D.: 5.7 mm, with variable A.S. mechanism, turret: 4-position, four DIC prisms attachable |
| DIC condenser, one DIC prism attachable | |
| Oblique condenser, built-in variable oblique illumination stop | |
| Fluorescence Illuminator | Manual reflected fluorescence, 6-position mirror turret unit, manual shutter |
| Motorized reflected fluorescence, 6-position mirror turret unit, motorized shutter changeover speed: shutter speed: 0.1 s | |
| Operating environment | Indoor use |
| Ambient temperature: 5º to 40º C (41º to 104º F) | |
| Maximum relative humidity: 80% for temperatures up to 31º C (88º F), decreasing linearly through 70% at 34º C (93º F), 60% at 37º C (99º F), to 50% relative humidity at 40º C (104º F) | |
| Supply voltage fluctuations: Not to exceed ±10% of the normal voltage |