Biological microscope LBM-B12

Biological microscope LBM-B12 is easy to operate. With backward nosepiece design, it’s coarse and fine focusing adjustment helps in better observation of the specimen. The microscope comes with 3W LED as external source of illumination. Being compact and light in weight, it is perfect for routine microscopic analysis at research institutes, colleges.

Optical System Infinite optical system
Viewing Head Binocular viewing head Inclined at 30º Interpupillary distance range 54-75 mm
Eyepiece High eye point wide field eyepiece PL10X/20 mm with ±5 degrees diopter control
Nosepiece Backward quadruple nosepiece
Objective Infinite plan achromatic objective: 4x, 10x, 40x(s), 100x(s,oil)
Stage Coaxial Double layer mechanical stage: 140×132 mm and Moving range: 76×50 mm
Focusing Coaxial coarse & fine adjustment with limited & tension adjustment. Coarse adjustment range: 25 mm, fine adjustment precision: 0.002 mm
Condenser N.A. 1.25 condenser (with socket for phase contrast & dark field sliders)
Illumination Main supply 100~240V, 3W LED lamp with intensity control (fixed center)
Wire winding device
Standard Accessories
Dimension 600×600×300 mm
Net weight 9 kg
Gross weight 10 kg
  • Backward quadruple nosepiece
  • Infinite optical system
  • 3W LED as source of illumination
  • High eyepoint wide field eyepiece
Accessories No. Name
1 Phase contrast kit (10x, 20x, 40x, 100x)
2 Dark field attachment
3 Siedentopf Trinocular Head
4 Simple polarization (with analyzer & polarizer)

Biological Microscope can be used for routine microscopic analysis of samples in laboratories, institutes, colleges. They are used in research labs for obtaining fine and sharp image quality with superior adjustment.

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
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
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
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 Plan Achromatic objectives 4x, 10x, 40x (Spring), 100x (Spring, oil)
Optical System Infinite optical system
Viewing Head Compensation Free binocular Head, Tilting trinocular 5° to 35°, interpupillary 48 to 75 mm
Nosepiece Backward Quintuple Nosepiece
Eyepiece Extra wide field eyepiece EW 10X/ 22 mm
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 Siedentopf binocular head, inclined at 30°C, interpupillary distance range 48-75mm, eyepiece tube rotation 360º
Eyepiece WF10X/18 mm
Nosepiece Quadruple, click-stop
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 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 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)
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 viewing head, Interpupillary distance range 48-75 mm, Inclined at 30º
Eyepiece Wide Field Eyepiece WF10X/F.N. 20 mm
Nosepiece Backward quadruple nosepiece
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
Operation modes Contact mode, friction mode, extended modes of tapping phase, MFM, EFM, scan angle 0 to 360°
Scan angle 0 to 360°
Maximum scan range X/Y axis: 50 µm, Z axis: 5 µm
Optical system/ Magnification of CCD Magnification: 10x, Resolution: 1 µm
Operation modes Contact mode, friction mode, extended modes of tapping phase, MFM, EFM, scans at random angle
Scan angle Random angle
Maximum scan range X/Y axis: 20 µm, Z axis: 2 µm
Optical system/ Magnification of CCD Magnification: 4x, Resolution: 2.5 µm
Viewing head Binocular Viewing Tube, Interpupillary distance 52 to 75 mm, 45°inclined, dioptre adjustable
Optical System Infinite Optical System
Light distribution 6 V 30 W Halogen Lamp House 6 V 30 W Osram Halogen Bulb Electrics for 6 V 30 W Halogen 250V/3.15 A Φ5 × 20 Fuse
Eyepiece WF10X/20 mm Plan Eyepiece, High eye-point up to 21 mm Centering Telescope
Viewing head Trinocular Head Inclined at 30°, Interpupillary distance: 48 to 75 mm
Optical system Infinite Optical System
Light distribution Halogen Lamp 6 V/ 30 W
Eyepiece High-point, Extra Wide Field Eyepiece EW10×/ 22
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
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
Main body Sharp stereo erect image over a wide field of view <br/> Supplied with arm curved style stand
Viewing head 45° inclined and 360° rotable binocular head with locked-in eyepiece<br/> Left ocular tube with diopter adjustment ±5 dp<br/> Interpupillary distance 55mm-75mm
Eyepiece WF10X
Rotational objective 2x-4x
Optical system Parallel zoom optical system
Viewing Head Binocular head, inclined at 20°
Eyepiece Extra wide field EW10X/22 mm
Zoom Stereo Objective 0.8X to 5X
Main body Sharp stereo erect image over a wide field of view<br/> Supplied with pillar style stand
Viewing head 45° inclined and 360° rotable binocular head with locked-in eyepiece<br/> Left ocular tube with diopter adjustment ±5 dp<br/> Interpupillary distance 55-75 mm
Eyepiece WF10X
Rotational objective 2x-4x
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 195 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 Plan Achromatic objectives 4x, 10x, 40x (Spring), 100x (Spring, oil)