- Eyepiece: Wide field WF10X (field number: Φ 22mm)
- Objective: RYS-20 Equipped with bright field
- PL L10X/0.25 (Work distance) : 5 mm
- PL L20X/0.40 (Work distance) : 8.80 mm
- PL L50X/0.70 (Work distance) : 3.68 mm
- PL L100X/0.85 (Dry) (Work distance) : 0.40 mm
- Objective; RYS-20BD Equipped with bright field objectives
- PL 1_5X/0.12 BD (Work distance) 8.05mm
- PL L10 /0.25 BD (Work distance) 7.86 mm
- PL L20X/0.40 RD (Work distance) 7.23mm
- PL L50X/0.70 ED (Work distance) 2.50mm
- Eyepiece Tube: Inclination angle is 45' and IPD: 53-75mm
- Focus system: Coaxial coarse/fine with tension adjustable Minimum division: 2µm
- Nosepiece: Quintuple (Backward ball bearing inner locating)
- Stage: Mechanical I Size: 242rnmX200mm I Moving range : 30mmX30mm
- Rotundity and rotatable stage size: maximal measurement Φ130mm and Minimal clear aperture is less than Φ20mm.
- Illumination system: 6V 30W halogen and brightness control, use in RYS-20 12V50W halogen and brightness control, use in RYS-20BD
- Integrated field diaphragm, aperture diaphragm and puller type polarizer
- Equipped with frosted glass and yellow ,green and blue fitters
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