Biological Microscope LBM-F21 is a finite optical system comprised microscope with a 30° inclined, 360° swiveling, compensation free binocular head. Equipped with WF10X/18 mm widefield eyepiece and 4 achromatic objectives, offers magnification range of 40X to 1000X. With quadruple revolving nosepiece and coaxial coarse and fine focusing with Rack and Pinion mechanism, offers 30 mm focusing range. Designed with Abbe N.A.1.25 condenser with iris diaphragm and filter, it has halogen lamp illumination for double layer mechanical stage.
Request Quote| Optical System | Finite optical system |
| Magnification Range | 40X to 1000X |
| Viewing Head | Compensation Free binocular Head, 30° inclined, 360° swiveling, interpupillary 55 to 75 mm |
| Nosepiece | Quadruple revolving nosepiece |
| Eyepiece | Widefield WF 10X/ 18 mm |
| Objective | 4 achromatic objectives: 4X, 10X, 40X (Spring), 100X (Spring, Oil) |
| Stage | Double Layer Mechanical Stage,135×135 mm |
| Focusing |
Coaxial Coarse and Fine Focusing Scale Value 0.002 mm, Focusing Range :30mm |
| Stage Movement | 70×30 mm |
| Condenser | Abbe N.A.1.25 condenser with iris diaphragm and filter |
| Illumination | Halogen Bulb 6 V/20 W, AC 220 V/110 V |
| Packaging Dimension (W×D×H) | 325×215×460 mm |
| Gross Weight | 7 kg |
Biological microscopes are used to study organisms, cells, pond life samples, and other microscopic life form across cell research, forensic medicine, colleges, universities, and state-of-the-art high resolution molecular studies etc.
Eyepiece: WF16X, WF20X
Achromatic Objectives: 20X, 60X (S)
LED Illumination
Available Range :
Optical System : Infinity Optical System F=200mm Optical System : Finite Optical System Optical System : Finite Optical System Optical System : Finite Optical System Optical System : Finite Optical System Optical System : Finite Optical SystemRelated Models :
Biological Microscope LBM-C20
Biological Microscope LBM-D10
Biological Microscope LBM-D11
Biological Microscope LBM-D12
Biological Microscope LBM-D13
Biological Microscope LBM-D14
Biological Microscope LBM-E10
Biological microscope LBM-A10
Biological microscope LBM-A11
Biological microscope LBM-A12
Biological microscope LBM-B10
Biological microscope LBM-B11
Biological microscope LBM-B12
Biological microscope LBM-C10
Biological microscope LBM-C11
Biological Microscope LBM-B20
Biological Microscope LBM-E20
Biological Microscope LBM-B13
Biological Microscope LBM-F20
Biological Microscope LBM-F10
Biological Microscope LBM-F22
Biological Microscope LBM-G10
| Model | Optical System | Magnification Range | Viewing Head | Nosepiece | Eyepiece | Objective | Stage | Focusing | Stage Movement | Condenser | Illumination | Packaging Dimension (W×D×H) | Gross Weight |
| LBM-C20 | Infinity Optical System F=200mm | - | 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) | Quadruple Inward | WF10X/20mm with the high point | - |
Stage Size: 142 × 135 mm Moving Range: 76 × 52 mm |
Coarse and fine Knob Division 0.001mm, Max: 20mm |
- | Swing type NA= 1.25 (O) with the Iris diaphragm | 6 V 20 W Halogen Lamp, Adjustable | - | - |
| LBM-D10 | Finite Optical System | - | Binocular viewing head, 30° inclined, 360° rotation, interpupillary distance 48 to 75 mm | Inward, Quadruple revolving nosepiece | Wide field WF10X/18mm and Wide field WF16X/15mm | - | Double layer mechanical stage size: 115 × 125 mm, range: 76 × 52 mm | - | - | Abbe condenser N.A.1.25, with iris diaphragm, and height adjustment knob | 3W LED lamp, brightness adjustable | - | - |
| LBM-D11 | Finite Optical System | - | Binocular viewing head, 30° inclined, 360° rotation, interpupillary distance 48 to 75 mm | Inward, Quadruple revolving nosepiece | Wide field WF10X/18mm and Wide field WF16X/15mm | - | Double layer mechanical stage size: 115 × 125 mm, range: 76 × 52 mm | - | - | Abbe condenser N.A.1.25, with iris diaphragm, and height adjustment knob | 3W LED lamp, brightness adjustable | - | - |
| LBM-D12 | Finite Optical System | - | Trinocular viewing head, 30° inclined, 360° rotation, interpupillary distance 48 to 75 mm | Inward, Quadruple revolving nosepiece | Wide field WF10X/18mm and Wide field WF16X/15mm | - | Double layer mechanical stage size: 115 × 125 mm, range: 76 × 52 mm | - | - | Abbe condenser N.A.1.25, with iris diaphragm, and height adjustment knob | 3W LED lamp, brightness adjustable | - | - |
| LBM-D13 | Finite Optical System | - | Trinocular viewing head, 30° inclined, 360° rotation, interpupillary distance 48 to 75 mm | Inward, Quadruple revolving nosepiece | Wide field WF10X/18mm and Wide field WF16X/15mm | - | Double layer mechanical stage size: 115 × 125 mm, range: 76 × 52 mm | - | - | Abbe condenser N.A.1.25, with iris diaphragm, and height adjustment knob | 3W LED lamp, brightness adjustable | - | - |
| LBM-D14 | Finite Optical System | - | Monocular viewing head, 45° inclined, 360° rotation | Inward, quadruple revolving nosepiece | Wide field WF10X/18mm and Wide field WF16X/15mm | - | Double layer mechanical stage size: 115 × 125 mm, range: 76 × 52 mm | - | - | Abbe condenser N.A.1.25, with iris diaphragm, and height adjustment knob | 3W LED lamp, brightness adjustable | - | - |
| LBM-E10 | - | - | - | Ball Beating Quadruple Nosepiece | WF10X/18 mm | Infinite Plan Achromatic 4X,10X,40X(S), 100X(S, Oil) |
Double Layer Mechanical Stage Size: 135×140 mm |
- | - |
condenser with Iris Diaphragm & filter Rack & pinion adjustable NA 1.25 |
Build-in Illumination, Halogen lamp 6V/20 W | - | - |
| LBM-A10 | Finite Optical System | - | Sliding type binocular head, inclined at 45º | Quadruple, click-stop | WF10X | Achromatic objective 4x, 10x, 40x(s), 100x(s,oil) | Double layer mechanical stage: 140×132 mm and moving: 75×45 mm | Coaxial coarse & fine adjustment, focusing range 30mm, focusing interval 0.002 mm | - | Abbe N.A. 1.25 condenser with iris diaphragm & filter | 3W LED, 6V/20W Halogen lamp, adjustable brightness | - | - |
| LBM-A11 | Finite Optical System | - | Siedentopf binocular head, inclined at 30°C, interpupillary distance range 48-75mm, eyepiece tube rotation 360º | Quadruple, click-stop | WF10X/18 mm | Achromatic objective 4x, 10x, 40x(s), 100x(s,oil) | Double layer mechanical stage: 140×132 mm and moving: 75×45 mm | Coaxial coarse & fine adjustment, focusing range 30mm, focusing interval 0.002 mm | - | Abbe N.A. 1.25 condenser with iris diaphragm & filter | 3W LED, adjustable brightness | - | - |
| LBM-A12 | Finite optical system | - | Siedentopf binocular head, interpupillary distance range 48-75mm, eyepiece tube rotation 360º | Quadruple, Click-stop | WF10X | Achromatic objective 4x, 10x, 40x(s), 100x (s,oil) | Double layer mechanical stage: 140×132 mm and moving: 75×45 mm | Coaxial coarse & fine adjustment, focusing range 30mm, Focusing interval 0.002 mm | - | Abbe N.A. 1.25 condenser with Iris diaphragm & filter | 6V/20W Halogen lamp or 3W LED, adjustable brightness | - | - |
| LBM-B10 | Finite optical system | - | Siedentopf Binocular viewing head, Interpupillary distance range 48-75 mm, Inclined at 30º | Backward quadruple nosepiece | Wide Field Eyepiece WF10X/F.N. 20 mm | Finite achromatic objectives: 4x, 10x, 40x, 100x | Double layer mechanical stage: 140 ×132 mm Moving range: 75×45 mm | Coaxial coarse & fine adjustment, Fine division 0.001 mm, Coarse stroke 37.7 mm/Rotation, Fine stroke 0.1 mm/Rotation, Moving range 24 mm | - | Abbe N.A. 1.25 condenser with Diaphragm | External Illumination 3W /LED | - | - |
| LBM-B11 | Infinite optical system | - | Siedentopf Binocular viewing head, Interpupillary distance range 48-75 mm, Inclined at 30º | Backward quadruple nosepiece | Wide Field Eyepiece WF10X/F.N. 22 mm | Infinite high contrast chromatic free full plan, Objectives: 4x, 10x, 40x, 100x | Double layer mechanical stage: 216×150 mm, Graphite surface Moving range: 75×55 mm | Coaxial coarse & fine adjustment, Fine division 0.001 mm, Coarse stroke 37.7 mm/Rotation, Fine stroke 0.1 mm/Rotation, Moving range 24 mm | - | Abbe N.A. 1.25 condenser with Diaphragm | External Illumination 3W /LED (Kohler) | - | - |
| LBM-B12 | Infinite optical system | - | Binocular viewing head Inclined at 30º Interpupillary distance range 54-75 mm | Backward quadruple nosepiece | High eye point wide field eyepiece PL10X/20 mm with ±5 degrees diopter control | Infinite plan achromatic objective: 4x, 10x, 40x(s), 100x(s,oil) | Coaxial Double layer mechanical stage: 140×132 mm and Moving range: 76×50 mm | Coaxial coarse & fine adjustment with limited & tension adjustment. Coarse adjustment range: 25 mm, fine adjustment precision: 0.002 mm | - | N.A. 1.25 condenser (with socket for phase contrast & dark field sliders) | Main supply 100~240V, 3W LED lamp with intensity control (fixed center) | - | - |
| LBM-C10 | Infinite Optical System | - | Siedentopf binocular head, inclined at 30º, interpupillary distance range 50-75 mm, eyepiece tube rotation 360º | Quadruple nosepiece | WF10X/20 mm (high eye point) | Infinite semi-plan objective: 4x, 10x, 40x(s), 100x(s, oil) | Mechanical stage Size: 125×120 mm, Travel range: 76×30 mm Scale: 0.1 mm | - | - | Abbe condenser N.A. 1.25 with iris diaphragm | 3W LED illumination, 100~240 V | - | - |
| LBM-C11 | Infinite Optical System | - | Siedentopf binocular head, inclined at 30º, interpupillary distance range 50-75 mm, eyepiece tube rotation 360º | Quadruple nosepiece | WF10X/20 mm (high eye point) | Infinite plan objective: 4x, 10x, 40x(s), 100x(s, oil) | Mechanical stage Size: 125×120 mm, Travel range: 76×30 mm Scale: 0.1 mm | - | - | Abbe condenser N.A. 1.25 with iris diaphragm | 3W LED illumination, 100~240 V | - | - |
| LBM-B20 | - | - | - | Quintuple nosepiece | Diopter adjustable eyepiece WF10X/22 mm | Infinite plan objective 4X, 10X, 20X, 40X (s), 100X(s, oil) | Integrated stage, stage size: 186×145 mm and Travel range: 78×54 mm, Two slide holder | - | - | Sliding-in centred condenser N.A. 1.25 | 3W LED, Brightness adjustable | - | - |
| LBM-E20 | - | - | - | Bright Field Sextuple Nosepiece, With DIC Slot | High-Eye point Plan Eyepiece PL10X/25 mm, Diopter Adjustable |
Infinity Plan Semi-Apochromatic Fluorescent Objectives 4X/0.13, W.D.= 18.5 mm 10X/0.3, W.D.= 10.6 mm 20X/0.5, W.D.= 2.33 mm 40X0.75, W.D.= 0.6 mm 100X/1.3, W.D.= 0.21 mm |
- | Coaxial Focus System With Upper Limited And Tension Adjustment, Coarse Adjustment Range: 25 mm, Fine Adjustment Precision: 0.001 mm | - | N.A.0.9 swing-out type achromatic condenser, with iris diaphragm, and aperture scale, provides sufficient and uniform light for full-field observation in different magnifications | 12 V, 100 W, Halogen lamp, center adjusted | - | - |
| LBM-B13 | Infinite Optical System | - | - | Quadruple nosepiece | Wide field eyepiece WF 10X / 22 mm | Infinite Plan Achromatic Objective for 4X, 10X, 40X, 100X | Double layers mechanical Stage, size 140 × 132 mm / 76 × 50 mm | Coaxial coarse and fine adjustable, moving range 25 mm | - | Sliding in centerable condenser NA.1.25 | 3W LED, brightness adjustable | - | - |
| LBM-F20 | Infinite optical system | - | Compensation Free binocular Head, Tilting trinocular 5° to 35°, interpupillary 48 to 75 mm | Backward Quintuple Nosepiece | Extra wide field eyepiece EW 10X/ 22 mm | Infinite plan objective: 4X, 10X, 40X (s), 100X (s, oil) | Double Layers Mechanical Stage 185×142 mm | - | 75×55 mm | Swing-out Condenser NA 0.9/ 0.25 | External Illumination, Aspherical Collector, Halogen Lamp 6 V/ 30 W | 460×410×700 mm | 12 kg |
| LBM-F10 | Infinite Optical System | - | - | Quintuple | WF 10X / 23 mm (adjustable) | Infinite plan objective 4X, 10X, 20X, 40X (s), 100X(s, oil) | Integrated stage, stage size: 182×140 mm and Travel range: 77×52 mm, Two slide holder | Coaxial coarse and fine focusing adjustment with rack and pinion mechanism fine focusing interval 0.002 mm | - | N.A. 0.9/0.13, swing out with iris diaphragm | Built in Koehler illuminator system 6V/30 W Halogen lamp, field diaphragm, centre adjustable | - | - |
| LBM-F21 | Finite optical system | 40X to 1000X | Compensation Free binocular Head, 30° inclined, 360° swiveling, interpupillary 55 to 75 mm | Quadruple revolving nosepiece | Widefield WF 10X/ 18 mm | 4 achromatic objectives: 4X, 10X, 40X (Spring), 100X (Spring, Oil) | Double Layer Mechanical Stage,135×135 mm |
Coaxial Coarse and Fine Focusing Scale Value 0.002 mm, Focusing Range :30mm |
70×30 mm | Abbe N.A.1.25 condenser with iris diaphragm and filter | Halogen Bulb 6 V/20 W, AC 220 V/110 V | 325×215×460 mm | 7 kg |
| LBM-F22 | Finite optical system | 40X to 1000X | Compensation Free trinocular Head, 30° inclined, 360° swiveling, interpupillary 55 to 75 mm | Quadruple revolving nosepiece | Widefield WF 10X/ 18 mm | 4 achromatic objectives: 4X, 10X, 40X (Spring), 100X (Spring, Oil) | Double Layer Mechanical Stage,135×135 mm |
Coaxial Coarse and Fine Focusing Scale Value 0.002 mm, Focusing Range :30 mm |
70×30 mm | Abbe N.A.1.25 condenser with iris diaphragm and filter | Halogen Bulb 6 V/20 W, AC 220 V/110 V | 325×215×460 mm | 6 kg |
| LBM-G10 | Infinite Color Corrected Optical System | - | Siedentop binocular head, 30° inclined, Interpupillary 47-75 mm | Reversed Quintuple Nosepiece | High eyepoint wide field plan eyepiece PL 10×/20 mm with adjustable diopter | - | Double Layers Mechanical Stage 150 mm × 140 mm, moving range 76 mm×50 mm, double slide holder, accuracy: 0.1 mm | - | - | N.A.1.25 compound eye illumination condenser group (with plug-in phase contrast and dark field plate slot), condenser preset center and height adjustable | Adaptive 100 V-240 V switching power supply, single high brightness 3W LED (cold/warm color optional, cold color temperature 4750 K-5500 K, warm color temperature 2850 K-3250 K) (preset center), light intensity can be continuously adjusted | - | - |
