Optek Nowel - NPL-400

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:

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

Quadruple Nosepiece, Center Adjustable

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

Trinocular Observing is Available

Specification：

NPL-400B

NPL-400T

Viewing Head

Compensation Free Binocular Head at 30°, 360° Rotatable

●

Compensation Free Trinocular Head at 30°, 360° Rotatable

●

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

●

●

Condenser

NA1.25 Abbe Condenser with Iris Diaphragm & Filter

●

●

Focusing

Coaxial Coarse & Fine Adjustment, Range 28mm, Fine Division 0.002mm

●

●

Polarizer

Sliding in/ out of Optical Path, Located on the Top of Collector

●

●

Illumination

6V/ 20W Halogen Lamp, Brightness Adjustable

●

●

Note : ● Standard Outfit， ○ Optional