Top quality Ergonomic lab&research Biological Microscope:LBM158(Tiltbalbe head) series:Descriptions: Laboratory Biological Microscope LBM158 is Multi-purpose Research Microscope, its Diversification Bring You Enter Into an Epoch Not Only The Performance but Also The Application. The module Design Can Meet Your Needs on All Normal Experiment And Scientific Research. Its Humanized Configuration Design, Reasonable Control Device and Layout of Every Operation Knob Can Keep your Eyes, Neck, Shoulders, Waist, Arms and Wrist Against Tiredness. You Can Be Released From Heavy Work to The Comfortable Operation.Features: 1. With Infinite Optical System, Hight brightness Kohler Illumination, providing excellent optical Quality and Making Image Perfect.2. With Low and Forward Position Coaxial Focus System, Focusing Knobs and Brightness Adjustable Knob Within Reaching Location, Stable Integral Structure, reasonable Ergonomic Design, Making Operation Feel More Comfortable and Effective.3. Advanced Modularity Design to Update and Suit a Variety of Observation Styles, The wide range of optional accessories make this microscope easy to convert for a wide range of applications: Brightfield , Darkfield, Phase Contrast, Polarizing Light and Fluorescence Observation, Easy and Convenient. Standard Specification158B158TOptical SystemInfinite Corrected Optical System√√Viewing HeadTiltable Binocular head inclined at 5°-35°, Interpupillary Distance 55-75mm√ Tiltable Trinocular head inclined at 5°-35°, Interpupillary Distance 55-75mm √EyepieceExtra Wide Field EWF10X/22 eyepiece√√WF6X, WF20X eyepiecesOONosepieceBackward Quintuple Nosepiece√√Backward Sextuple NosepieceOOObjectivesInfinite Plan Achromatic Objective 4X 10X 40X(S), 100X(S.oil)√√Infinite Plan Achromatic Objective 20X, 60XOOFocusing SystemCoaxial Coarse&Fine Adjustment, Fine Division 0.002mm, With RackΠnion Mechanism√√StageDouble Layers Mechanical Stage:180X160, Moving range:75X50mm√√CondenserSwing Type N.A.=1.25 Abbe Condenser With Iris Diaphragm and filters√√CollectorHigh Brightness Kohler Illumination with Iris Diaphragm, Aspherical Collector√√IlluminationUniversal Voltage:AC85-230V input, 12V/50W Halogen Lamp, Brightness Adjustable.√√Super 3W LED IlluminationOOOptional partsSimple Polarization Attachment (Analyzer and polarizer)OOTurret Phase contrast KitOODark- Filed CondenserOOProfessional Microscopy Digital Camera 3.0MP 5.0MP, 9.0MP with softwareOO Note: "√ "Standard Specification, "o" Optional Parts Research Grade Biological Microscoep LBM158B(Binocular tiltable head) Research Grade Biological Microscoep LBM158B(Trinocular tiltable head)