Optek Nowel - NP-400

Polarizing microscope NP-400 can observe mineral crystal figure, color and interference color and also identify its optical performance. It is a good microscope used in geology, petroleum, coal, Chemical fiber, medical treatment and physic inspection. It is also widely used in academic demonstration and research.

Features:

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

Revolving round stage Φ 145mm, 360°rotatable and graduated in 1° increments, minimum resolution 6，when using vernier scale

Polarizer can be Swung out of Optical Path。6V/20W Halogen Lamp Illumination, Brightness Adjustable

Specification：

NP-400M

NP-400B

NP-400T

Viewing Head

Monocular head inclined at 45°, 360°rotatable

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Compensation free binocular head inclined at 30°, 360° rotatable

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Compensation free trinocular head inclined at 30°, 360° rotatable

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Eyepiece

Eyepiece WF10× /18with scale of crosshair

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Eyepiece WF10×/18

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Objective

Strain free achromatic objective 4×、10×、40×、60×

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Nosepiece

Backward quadruple nosepiece

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Analyzer

Rotatable analyzer with gradation 0°-90°

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Bertrand Lens

Bertrand lens, sliding in/out of optical path

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Optical Compensator

λ Slip (first class red)，1/4λ Slip quartz wedge

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Revolving Round Stage

Diameter Φ145mm, 360° rotatable and graduated in 1°increments, minimum resolution 6‘ when using vernier scale, center adjustable

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Condenser

Abbe condenser NA1.25 with iris diaphragm & filter

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Focusing

Coaxial coarse & fine adjustment, range 28mm, fine division 0.002

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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

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Note : ● Standard Outfit， ○ Optional