Polarizing Microscope: PL107 seriesDescription:Polarizing microscope PL107 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 widely used in academic demonstration and research.Features:1. 0º-90º Rotatable Analyzer and When out of optical path, Single Polarizing Observation is Available. λSlip, 1/4λ Slip and Quartz Wedge are Equipped.2. High-Precision Rotary Working Stage3. Extra Wide Field Eyepiece and special strain free achromatic objectives4. Outward quardruple nosepiece with center adjustable5. Perfect for labs, clinics and universities to investigate the optical properties of specimens Standard SpecificationPL107 PL107TViewing HeadCompensation Binocular head inclined at 45°, Interpupillary Distance 55-75mm,√ Compensation Trinocular head inclined at 45°, Interpupillary Distance 55-75mm, √EyepieceWide Field EWF10X/18eyepiece With Scale of Crosshair√ √NosepieceOutward Quadruple Nosepiece, Center Adjustable√ √AnalyzerRotatable Analyzer With Graduation 0°-90°√ √Bertrand LensBertrand Lens, Sliding In/out of Optical Path√ √Optical CompensatorλSlip(First Class Red), 1/4λ, Quartz Wedge√ √ObjectivesStrain Free Achromatic Objective 4X 10X 40X(S)√ √StageRound Stage, Diameter ¢ 160mm, 360° Rotatable and Graduation in 1° increments,Minimun Resolution 6' When Using Vernier Scale, Center Adjustable.√ √CondenserAbbe Condenser N.A.=1.25 With Iris Diaphragm and Filters√ √Focusing SystemCoaxial Coarse&Fine Adjustment, Fine Division 0.002mm, Moving range:28mm√ √CollectorHigh Brightness Collector√ √PolarizerSliding In/out of Optical Patch, Located on the Top of Collector√ √IlluminationAC220V/110V, 6V20W, Halogen Lamp, Brightness Adjustable.√ √Note:"√" Standard Specification, "o"optional parts Polarizing Microscope PL107B (Bincoualar head) Polarizing Microscope PL107T (trinocular head)