NPL-400
Polarizing Microscope
Description
With the features of streamline and stable frame, easy operation and complete functions,
polarizing microscope NPL-400 is the best choice for user to observe mineral
crystal figure, color and interference color and also exactly identify the optical performance
of mineral and other crystal specimen.
Features:
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0°-90° Rotatable Analyzer and when out of optical path, Single Polarizing Observation is Available. With Bertrand, Interferogram of Specimen can be observed clearly. λ Slip， 1/4λ Slip and Quartz Wedge are Equipped |
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Quadruple Nosepiece, Center Adjustable |
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Polarizer can be Swung out of Optical Path 6V/ 20W Halogen Lamp Illumination, Brightness Adjustable |
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Trinocular Observing is Available |
Specification：
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NPL- 400B |
NPL- 400T |
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| Viewing Head |
Compensation Free Binocular Head at 30°, 360° Rotatable |
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Compensation Free Trinocular Head at 30°, 360° Rotatable |
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| Eyepiece | Eyepiece WF10×/ 18 with Scale of Crosshair | ● | ● |
| Eyepiece WF10×/ 18 | ● | ● | |
| Objective | Strain free Achromatic Objective 4×、10×、 | ● | ● |
| 40×、60× | |||
| Nosepiece | Backward Quadruple Nosepiece, Center Adjustable | ● | ● |
| Analyzer | Rotatable Analyzer with Gradation 0°-90° | ● | ● |
| Bertrand Lens | Bertrand Lens, Sliding in/out of Optical Path | ● | ● |
| Optical Compensator | λ Slip（first class red）, 1/ 4λ Slip, Quartz Wedge | ● | ● |
| Revolving Round Stage |
Diameter Φ160mm, Graduated in 1°Increments, Minimum Resolution 6’ when using Vernier Scale |
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| Condenser |
NA1.25 Abbe Condenser with Iris Diaphragm & Filter |
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| Focusing |
Coaxial Coarse & Fine Adjustment, Range 28mm, Fine Division 0.002mm |
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| Polarizer |
Sliding in/ out of Optical Path, Located on the Top of Collector |
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| Illumination | 6V/ 20W Halogen Lamp, Brightness Adjustable | ● | ● |
| Note : ● Standard Outfit， ○ Optional | |||
