| YX-P800M | ||
| Optical System | Infinite optical system | ● |
| Viewing Head | Seidentopf trinocular head inclined at 30°,
Interpupillary 48-75mm |
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| Eyepiece | Plan eyepiece EW10X/22 | ● |
| Plan eyepiece with scale of crosshair, Plan eyepiece with cross,
Plan eyepiece with gridding |
● | |
| Strain-Free Plan
Achromatic Objective |
4X/0.10/∞/- WD 17.3mm | ● |
| 10X/0.25/∞/0.17 WD 10.0mm | ● | |
| 20X/0.40/∞/0.17 WD 5.10mm | ○ | |
| 40X/0.65/∞/0.17 WD 0.54mm | ● | |
| 100X/1.25/∞/0.17 WD 0.13mm | ● | |
| Nosepiece | Backward quintuple nosepiece, Center adjustable | ● |
| Analyzer | 360° dial rotation Minimum scale reading：0.1°（Vernier scale） | ● |
| Conoscopic
observation attachment |
Switch between orthoscopic and conoscopic observation
Bertrand lens position adjustable |
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| Optical
Compensator |
First-order red plate, Guarter-wave plate, Quartz wedge | ● |
| Polarizing
Rotatable Stage |
Diameter Φ170mm, Center adjustment, 360° scale, Minimum division 1°,
Minimum reading 6 by means of vernier scale, 45° Click stop knob |
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| Attachable Stage | Moving range 30mmX40mm | ○ |
| Condenser | Strain-free swing condenser NA0.9/0.25 | ● |
| Focusing | Coaxial coarse & fine adjustment, Range 32mm,
Fine division 0.001mm, Coarse stroke 37.7mm per |
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| rotation, Fine stroke 0.1mm per rotation | ||
| Polarizer | 360°rotatable 0°position adjustable | ● |
| Illumination | 24V/100W Halogen lamp, Brightness adjustable | ● |
| Filter | Blue filter Φ45mm | ● |
| ND6 Neutral density filter Φ45mm | ○ | |
| ND25 Neutral density filter Φ45mm | ○ | |
| Attachment | Video attachment | ○ |
| 0.01mm Micrometer | ○ |
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