Biological Microscope LBM-B20

Biological Microscope LBM-B20 has design of Compensation free, trinocular 30° inclined 360° rotation viewing head, interpupillary distance 48 to 75 mm. Features infinite plan objectives 4X, 10X, 20X, 40X (s), 100X(s, oil). Microscope design also offers quintuple nosepiece, built-in Koehler 3W LED illuminator system, N.A. 1.25 condenser with diopter adjustable. Coaxial coarse and fine focusing adjustment.

Optical system Infinite optical system
Viewing head Compensation free, trinocular 30° inclined 360° rotation viewing head, interpupillary distance 48 to 75 mm
Eyepiece Diopter adjustable eyepiece WF10X/22 mm
Nosepiece Quintuple nosepiece
Objective Infinite plan objective 4X, 10X, 20X, 40X (s), 100X(s, oil)
Stage Integrated stage, stage size: 186×145 mm and Travel range: 78×54 mm, Two slide holder
Condenser Sliding-in centred condenser N.A. 1.25
Focussing Coaxial coarse and fine focusing adjustment with moving range 25 mm
Illumination 3W LED, Brightness adjustable
Dimension 330×340×550 mm
Weight 9 kg
Power supply 110 to 240 V, 50/60 Hz
  • Siedentopf trinocular head, Inclined 30° and rotatable 360°
  • Designed with infinite plan objective 4X, 10X, 20X, 40X (s), 100X(s, oil)
  • 3W LED, Brightness adjustable
  • Designed with quintuple nosepiece
  • Diopter adjustable eyepiece WF10X/22 mm
  • Sliding-in centred condenser N.A. 1.25
Phase Contrast Kit
9.7 Inch LCD Screen With 0.5X Adaptor
Dark Filed (Wet)
Dark Filed (Dry)
Fluorescent Kit (B Band)
0.5X C-Mount
1X C-Mount

Biological-Microscope used in microbiology, biotechnology, cell and tissue culture engineering, and other modern biological research for dynamic observation of the specimen.

Optical System Finite Optical System
Viewing Head Trinocular viewing head, 30° inclined, 360° rotation, interpupillary distance 48 to 75 mm
Magnification 40X to 1600X
Objectives Plan Achromatic objectives 4x, 10x, 40x (Spring), 100x (Spring, oil)
Optical System Finite Optical System
Viewing Head Binocular viewing head, 30° inclined, 360° rotation, interpupillary distance 48 to 75 mm
Magnification 40X to 1600X
Objectives 195 Achromatic objectives 4x, 10x, 40x (Spring), 100x (Spring, oil)
Optical System Infinite Optical System
Viewing head Compensation free Binocular head, 30° inclined, interpapillary distance 48 to 75 mm
Eyepiece Wide field eyepiece WF 10X / 22 mm
Nosepiece Quadruple nosepiece
Optical System Finite Optical System
Viewing Head Binocular viewing head, 30° inclined, 360° rotation, interpupillary distance 48 to 75 mm
Magnification 40X to 1600X
Objectives Plan Achromatic objectives 4x, 10x, 40x (Spring), 100x (Spring, oil)
Optical System Infinity Optical System F=200mm
Viewing Head Trinocular Tube, 30°inclined, Interpupillary distance 52 to 75 mm, trinocular light is split 50/50 by a high quality prism (20/80 is optional)
Eyepiece WF10X/20mm with the high point
Infinity Objective Plan Achromatic 4X/0.10<br/> Plan Achromatic 10X/0.25<br/> Plan Achromatic 40X/0.65<br/> Plan Achromatic 100X/1.25 (S,O)
Principle of Optics Differential Interference Contrast Microscope
Viewing head Compensation Free Trinocular Head inclined at 30°
Nosepiece Ball Beating Quadruple Nosepiece
Eyepiece WF10X/18 mm
Optical System Finite Optical System
Viewing Head Trinocular viewing head, 30° inclined, 360° rotation, interpupillary distance 48 to 75 mm
Magnification 40X to 1600X
Objectives 195 Achromatic objectives 4x, 10x, 40x (Spring), 100x (Spring, oil)
Optical System Infinite Optical System
Viewing Head Siedentopf binocular head, inclined at 30º, interpupillary distance range 50-75 mm, eyepiece tube rotation 360º
Eyepiece WF10X/20 mm (high eye point)
Nosepiece Quadruple nosepiece
Viewing head Siedentopf type trinocular head (dual light transform) inclined at 30°, 360° rotation, interpupillary adjustable distance 48 to 76 mm
Optical System Infinite Optical System
Light distribution 100: 0 (100% for eyepiece) 80: 20 (80% for trinocular head and 20% for eyepiece)
Eyepiece WF 10X / 23 mm (adjustable)
Optical System Finite Optical System
Viewing Head Monocular viewing head, 45° inclined, 360° rotation
Magnification 40X to 1600X
Objectives 195 Achromatic objectives 4x, 10x, 40x (Spring), 100x (Spring, oil)
Optical System Finite optical system
Viewing Head Siedentopf binocular head, interpupillary distance range 48-75mm, eyepiece tube rotation 360º
Eyepiece WF10X
Nosepiece Quadruple, Click-stop
Optical system Color corrected infinity optical system
Viewing head Gemel trinocular head, 30° inclined,  Inverted Image, Interpupillary Distance 50 to 76 mm, Three Split Ratio 0:100, 20:80, 100:0
Eyepiece High-Eye point Plan Eyepiece PL10X/25 mm, Diopter Adjustable
Nosepiece Bright Field Sextuple Nosepiece, With DIC Slot
Optical System Infinite optical system
Viewing Head Siedentopf Binocular viewing head, Interpupillary distance range 48-75 mm, Inclined at 30º
Eyepiece Wide Field Eyepiece WF10X/F.N. 22 mm
Nosepiece Backward quadruple nosepiece
Optical System Finite Optical System
Viewing Head Sliding type binocular head, inclined at 45º
Eyepiece WF10X
Nosepiece Quadruple, click-stop
Optical System Finite optical system
Viewing Head Siedentopf Binocular viewing head, Interpupillary distance range 48-75 mm, Inclined at 30º
Eyepiece Wide Field Eyepiece WF10X/F.N. 20 mm
Nosepiece Backward quadruple nosepiece
Viewing head Binocular head, inclined at 20º , interpupillary distance 55-75 mm
Eyepiece EW10X/ Ø22 mm
Objectives Plan achromatic objective: 1x<br/> Zoom objectives: 0.8x-8x with 1:10 zoom ratio
Stage working distance: 78 mm
Viewing head Binocular head, inclined at 20º , interpupillary distance 55-75 mm
Eyepiece EW10X/ Ø22 mm
Objectives Plan achromatic objective: 1x<br/> Zoom objectives: 0.8x-6.4x with 1:8 zoom ratio
Stage working distance: 78 mm
Viewing head Binocular head, inclined at 20° , interpupillary distance 55-75 mm
Eyepiece EW10X/ Ø22 mm
Objectives Plan achromatic objective: 1x<br/> Zoom objectives: 0.8x-5x with 1:6 zoom ratio
Stage working distance: 78 mm
Optical System Infinity Optical System <br/> (with Bright Field/ Dark Field, DIC, Polarizing units)
Viewing Head Seidentopf Trinocular Head Inclined at 30°, <br/> Interpupillary distance 48 to 75 mm
Reflected Illumination 24 V, 100 W Halogen Light,<br/> Brightness Adjustable, Kohler Illumination With Aspherical Condenser<br/> Polarizer & Analyzer, <br/> Integrate Board For Polarizer & Analyzer <br/> Blue, Green, Yellow Filter, Ground Glass filters
Transmitted Illumination Nil
Optical System Infinity Optical System F= 200 mm
Viewing Head Siedentopf trinocular head, inclined at 30°, Interpupillary 55-75 mm
Eyepiece WF10X/25 mm
Objective
M Plan APO HL Objective 2X/0.055 WD= 34.56 mm Focus Length 95mm
M Plan APO HL Objective 5X/0.14 WD= 44.50 mm Focus Length 95mm
M Plan APO HL Objective 10X/0.28 WD= 34.00 mm Focus Length 95mm
M Plan APO HL Objective 20X/0.29 WD= 31.00 mm Focus Length 95mm
M Plan APO HL Objective 50X/0.42 WD= 20.50 mm Focus Length 95mm
Optical System Infinity Optical System <br/> (with Bright Field/ Dark Field, DIC, Polarizing units)
Viewing Head Seidentopf Trinocular Head Inclined at 30°, <br/> Interpupillary distance 48 to 75 mm
Reflected Illumination 24 V, 100 W Halogen Light,<br/> Brightness Adjustable, Kohler Illumination With Aspherical Condenser<br/> Polarizer & Analyzer, <br/> Integrate Board For Polarizer & Analyzer <br/> Blue, Green, Yellow Filter, Ground Glass filters
Transmitted Illumination Swing-Out Condenser N.A.0.9/0.25<br/> 24V 100 W Halogen Light With Aspherical Condenser<br/> Blue Filter
Optical System Infinity Optical System F=200mm
Viewing Head Trinocular Tube, 30°inclined, Interpupillary distance 52 to 75 mm, trinocular light is split 50/50 by a high quality prism (20/80 is optional)
Eyepiece WF10X/20mm with the high point
Infinity Objective Plan Achromatic 4X/0.10<br/> Plan Achromatic 10X/0.25<br/> Plan Achromatic 40X/0.65<br/> Plan Achromatic 100X/1.25 (S,O)
Optical System Finite Optical System
Viewing Head Binocular viewing head, 30° inclined, 360° rotation, interpupillary distance 48 to 75 mm
Magnification 40X to 1600X
Objectives Plan Achromatic objectives 4x, 10x, 40x (Spring), 100x (Spring, oil)
Optical System Finite Optical System
Viewing Head Binocular viewing head, 30° inclined, 360° rotation, interpupillary distance 48 to 75 mm
Magnification 40X to 1600X
Objectives 195 Achromatic objectives 4x, 10x, 40x (Spring), 100x (Spring, oil)
Optical System Finite Optical System
Viewing head Siedentopf binocular head, inclined at 30°<br/> eyepiece tube rotation 360°
Eyepiece Wide field eyepiece WF 10X / 18 mm
Stage Double layer mechanical stage: 110 × 125 mm
Optical System Finite Optical System
Viewing head Siedentopf binocular head, inclined at 30°<br/> eyepiece tube rotation 360°
Eyepiece Wide field eyepiece WF 10X / 18 mm
Stage Double layer mechanical stage: 142 × 132 mm<br/> Moving range: 75 × 50 mm
Optical System Finite Optical System
Viewing head Siedentopf binocular head, interpupillary distance range 48 - 75 mm, eyepiece tube rotation 360º
Eyepiece WF 10X / 18 mm
Type of Objective Achromatic objective 4x, 10x, 40x(s), 100x(s,oil)
Optical System Infinity color correct optical system
Viewing Head 45˚ inclined trinocular viewing head, 360˚ rotatable interpupillary distance 50 to 75 mm, binocular trinocular 100:0 or 0:100
Eyepiece High eye point wide field plan eyepiece PL10X 22 mm, with adjustable diopter, reticle attachable
Objective Long working distance plan achromatic metallurgical objectives 5X, 10X, 20X, 50X, 100X