| Items | SLV-22M-A | SLV-22M-AD | SLV-22M-B | SLV-22M-BD |
|---|---|---|---|---|
| Head | Seidentopf Trinocular, 30° Inclined, 360° Rotatable, E100:P0 / E20:P80 | ● | ● | ● |
| Eyepiece | WF10x/22mm, Diopter Adjustable (with Micrometer) | ● | ● | ● |
| Nosepiece | Quintuple Backward | ● | ● | |
| Quadruple for BF/DF | ● | |||
| BF Objectives (Semi-APO) | 5x/0.15 (W.D. 21.0mm) | ● | ● | |
| 10x/0.3 (W.D. 20.0mm) | ● | ● | ||
| 20x/0.40 (W.D. 15.0mm) | ● | ● | ||
| 50x/0.55 (W.D. 10.0mm) | ● | ● | ||
| 50x/0.75 (W.D. 4.25mm) | ○ | ○ | ||
| 80x/0.80 (W.D. 0.85mm) | ○ | ○ | ||
| 100x/0.90 (Dry) (W.D. 3.00mm) | ○ | ○ | ||
| BD Objectives (BF/DF) | BD5x/0.13 (W.D. 16.04mm) | ● | ||
| BD10x/0.25 (W.D. 18.48mm) | ● | |||
| BD20x/0.40 (W.D. 8.35mm) | ● | |||
| BD50x/0.70 (W.D. 1.95mm, Spring) | ● | |||
| Stage | Double-layer 200×150mm, Travel 77×52mm, Quick Drop | ● | ● | |
| Double-layer 182×140mm, Travel 77×52mm | ● | |||
| Condenser | Abbe N.A.1.25, With Iris Diaphragm | ● | ||
| Focusing | Coaxial Coarse & Fine Knobs, Travel 25mm, 2μm Scale | ● | ● | ● |
| Illumination | Reflect Light: - 5W LED Koehler, Field Diaphragm - Input 100V–240V, Output 5V1A |
● | ● | |
| Reflect 12V50W Halogen Koehler | ○ | ● | ○ | |
| Transmit Light: - 5W LED Koehler |
- | - | ● | |
| Transmit 6V30W Halogen Koehler | - | - | ○ | |
| Polarizing | Analyzer + Polarizer for Reflect Light | ● | ● | ● |
| Analyzer + Polarizer for Transmit Light | - | - | ● | |
| Filters | Ground Glass Slider, Blue Filter Handle | ● | ● | ● |
Legend:
● = Standard
○ = Optional
– = Not Available