Biological Microscope LBM-C20

Biological Microscope LBM-C20 is a microscope having trinocular head inclined at 30° angle and 20 mm of wide field. Features infinity plan achromatic optical system for high quality images. Accessories to observe in light field, phase contrast, dark field and polarizing mode can be attached. It is widely used in universities, research institutes and industries.

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)
Nosepiece Quadruple Inward
Stage Stage Size: 142 × 135 mm<br/> Moving Range: 76 × 52 mm
Focusing Coarse and fine Knob<br/> Division 0.001mm, Max: 20mm
Condenser Swing type NA= 1.25 (O) with the Iris diaphragm
Filter Blue
C-mount 1X
Illumination 6 V 20 W Halogen Lamp, Adjustable
Dimensions 480 × 470 × 280 mm
Net weight 6.7 kg
Gross weight 9.1 kg
  • Infinity plan achromatic optical system
  • Significant correction of chromatic aberrations and filed curvature
  • High numerical aperture objectives used to obtain clear images and minimize flare
  • Light field, phase contrast, dark field and polarizing observation mode accessories can be provided
  • Observation from digital camera and computers is also possible
  • Heat-sink design for long time working hours
  • Includes handgrip for easier transportation
  • Ring with blue filter is provided

It is used to view various living and non-living specimens in universities, research institues and industries.

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)
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 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
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 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 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 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 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 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
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
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, interpupillary distance range 48-75mm, eyepiece tube rotation 360º
Eyepiece WF10X
Nosepiece Quadruple, Click-stop
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 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 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 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-6.4x with 1:8 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 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 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 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
Viewing head Siedentopf type trinouclar head , inclined at 45°, interpupillary distance 52 to 75 mm, diopter adjustment
Eyepiece WF10X/20, high eye-point up to 21 mm<br/> Reticule eyepiece: CROSSWF10X/20, high eye-point up to 21 mm
Objectives Plan Achromatic 10X/0.25 WD=9.67 mm<br/> Plan Achromatic 20X/0.40 WD=7.97 mm<br/> Plan Achromatic 40X/0.60 WD=3.76 mm<br/> Plan achromatic positive phase contrast 20X/0.40 WD=7.97 mm
Nosepiece Quintuple, inward facing
Viewing head Trinocular head inclined at 30°, interpupillary distance 48 to 75 mm
Eyepiece High-point, Extra wide field eyepiece EW10X/ 22 mm
Objectives Long working distance (LWD) infinite plan objective: 4X/ 0.1, WD 18 mm<br/> Long working distance (LWD) infinite plan objective: 40X/ 0.6, WD 2.6 mm<br/> Infinite plan phase objective: PH10X/ 0.25, WD 10 mm <br/> Infinite plan phase objective: PH20X/ 0.4, WD 5.1 mm
Nosepiece Backward Quintuple nosepiece
Viewing head Seidentopf binocular viewing head, inclined at 45°, 360° rotation, interpupillary distance adjustable 48 to 75 mm
Eyepiece Wide field eyepiece WF10X/ 22 mm, Eyepiece tube diameter: 30 mm
Objectives Infinite plan achromatic objective
Nosepiece Backward Quintuple nosepiece
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