With the features of steamline and stable frame, easy operation and complete functions, polarizing microscop NP-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.
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, 1/4 λ Slip, 1/4 λ Slipand Quartz Wedge are Equipped.
Revolving Round Stage Φ145mm, 360° Rotatable and Graduated in 1°Increments, Minimum Resolution 6' when UsingVernier Scale
Polarizer can be Swung out of Optical Path, 6V20W Halogen Lamp Illumination, Brightness Adjustable
Binocular Observing is Available
Specifications:
Viewing Head
Monocular Head at 45°, 360° Rotatable
Compensation Free Binocular Head at 30°, 360° Rotatable
Eyepiece
Eyepiece WF 10X with Scale of Crosshair and 0.1mm
Objective
Strainfree Achromatic Objective 4X, 10X, 40X, 60X
Nosepiece
Backward Quadruple Nosepiece
Analyzer
Rotatable Analyzer with Gradution 0°-90°
Bertrand Lens
Bertrand Lens, Sliding in / out Optical Path
Optical Compensatoor
λ Slip ( first class red ) , 1/4 λ Slip, Quartz Wedge
Revolving Round Stage
Diameter Φ 135mm, 360° Rotatable and Graduated in 1° Increments, Minimum Resolution 6' when Using Vernier Scale, Center Adjustable.
Condenser
N.A. 1.25 Abbe Condenser with Iris Diaphragm & Filter
Focusing
Coarxial Coarse and Fine Adjustment, Range 28mm, Fine Division 0.002
Polarizer
Sliding in / out of Optical Path, Located on the Top of collector
Illumination
220V or 110V / 6V20W Halogen Lamp, Brightness Adjustable