• China microscope, With the features of streamline and stable frame, easy operation and complete functions, polarizing microscope 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.

		NP-400	NP-400B
Viewing Head	Compensation Free Binocular Head at 30°,360°Rot table		*
	Monocular Head at 45,360°Rot table	*
Eyepiece	Eyepiece WF10×/18with Scale of Crosshair and 0.1mm	*
	Eyepiece WF10×/18	*	*
Objective	Strain free Achromatic Objective 4×, 10×, 40×, 60×	*	*
Nosepiece	Backward Quadruple Nosepiece	*	*
Analyzer	Rot table Analyzer with Graduation 0 - 90°	*	*
Bertrand Lens	Bertrand Lens , Sliding in/ out of Optical path	*	*
Optical  Compensator	λSlip (first class red), 1/4λSlip, Quartz Wedge	*	*
Revolving Round  Stage	Diameter 145mm,360°Rotable and Graduated in 1°  Increments, Minimum Resolution6′ when Using Venire  Scale, Center Adjustable	*	*
Condenser	N.A.1.25Abbe Condenser with Iris Diaphragm & Filer	*	*
Focusing	Coaxial Coarse and Fine Adjustment, Range 28MM,  Fine Division 0.002	*	*
Polarize	Sliding in/out of Optical Path ,Located on the Top ofCollector	*	*
Illuminations	220V or 110V/6V20W Halogen Lamp , Brightness Adjustable	*	*

"*"standard outfit; "~" options