With the features of easy operation, complete functions and economy, it is ideal instrument in geology, petroleum, coal, chemicals and physic fields.
It is also widely used in academic demonstration and research.
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NP-107A Infinite optical system |
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Viewing Head |
Monocular head inclined at 45° |
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Eyepiece |
Eyepiece WF10X/18 with scale of crosshair |
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Objective |
Strain free achromatic objective 4X、10X、40X |
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Nosepiece |
Toward quadruple nosepiece |
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Analyzer |
Fixed analyzer |
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Bertrand Lens |
Bertrand lens, Sliding in/ out of optical path |
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Optical Compensator |
λSlip (First class red) |
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1/4λSlip |
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Revolving Round Stage |
Diameterφ135mm, 360°Rotatable and graduate in 1°Increments, Minimum resolution 6′when using venire scale, Center adjustable |
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Condenser |
Abbe Condenser NA1.25 with lris diaphragm & filter |
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Focusing |
Coaxial coarse & fine adjustment , range 28mm, fine division 0.002 |
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Polarizer |
0°－90° Rotatable located on the top of collector |
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Illumination |
6V/20W Halogen lamp, Brightness adjustable |
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