| Item | Specification | RIM300U | RIM500U |
| Eyepiece | WF10X/22MM (adjustable) | • | • |
| WF10X/22MM (adjustable, ewduxykq 0.1mm) | • | • | |
| 5X/0.10 W.D=24.23mm | • | • | |
| 10X/0.25 W.D=18.48mm | • | • | |
| Metallurgical LWD infinity Plan Objective | 20X/0.40 W.D=8.35mm | • | • |
| 40X/0.65 W.D=3.90mm | o | o | |
| 50X/0.70(S) W.D=1.95mm | • | • | |
| 80X/0.80(S) W.D=0.85mm | o | o | |
| 100X/0.60(S) WD=1.00mm | o | o | |
| Seidentopf Trinocular Head | Inclined 30° ,Rotatable 360°, | • | • |
| Interpupilary Distance: 48 -76mm | |||
| Light Distribution(both):100:0 (100% for eyepiece) | |||
| 80:20 (80% for Trinocular head and 20% for eyepiece) | |||
| Nosepiece | Quintupel | • | • |
| Mechanical Stage | Stage Size: 200 x 150mm, Travel: 77mm x 52mmStage fast lowerin unit:Up-Down moving range can be increased 50mm. | • | |
| Stage Size: 182 x 140mm, Travel: 77mm x 52mmTwo solid holder, Metal plate size:200mm X 150mm | • | ||
| Polarizing Unit | Polarizer/Analyzer | • | • |
| Condenser | Abbe N.A.1.25, with Iris Diaphragm. | • | |
| Coaxial Coarse and Fine Focusing Unit | Coarse stroke:25mm, | • | • |
| Fine stroke per rotation: 0.2mm, fine division | |||
| 2 µm, Tightness adjustment, upper distance limiter. | |||
| Reflecting Illumination | 12V/50W Halogen Lamp (Input Voltage:100V-240V),Field diaphragm | • | • |
| Transmitting Illumitation | 6V/20W Halogen Lamp (Input Voltage:100V-240V),Field diaphragm , Center adjustable. | • | |
| Blue | • | • | |
| Filter | Green | o | o |
| Amber | o | o | |
| Grey | o | o |
