Inverted Biological Microscope LIBM-A20

Inverted Biological Microscope LIBM-A20 comes with a unique supporting stand structure & advanced optical functions. Equipped with phase annulus plate, long working distance infinite plan & phase objectives, user can view high resolution images of the cells, tissue & other biological specimens. It is widely used in tissue culture & other life science industry for research & quality purpose.

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
Optical system Infinite optical system
Condenser Extreme long work distance condenser (ELWD) N.A. 0.3, LWD 72 mm (without condenser 150 mm)
Centering telescope eyepiece 30 mm
Phase contrast kit 10X, 20X, 40X phase annulus plate
Stage dimensions Plain stage: 160×250 mm, Glass insert, Auxiliary Stage: 70×180 mm
Stage attachment
Focusing system Coaxial Coarse & fine adjustment, vertical objective movement, coarse stroke 37.7 mm per rotation, fine stroke 0.2 mm per rotation
Phase contrast sliding plate
Range of vertical stroke
Illumination 6 V/30 W, halogen lamp, brightness adjustable
Filter Blue, green, ground glass with diameter 45 mm
C-mount
Allen screw driver
Dimension 650 × 430 × 610 mm
Gross weight 14 kg
  • Trinocular head design
  • Infinite optical system
  • 10X to 20X, 40X phase annulus plate
  • Innovative stand structure
  • 72 mm Extreme long working distance condenser
  • Blue, Green & ground glass filters with 45 mm diameter
Accessories No. Name
1 Attachable mechanical stage, X-Y Coaxial control, Moving range 120×78 mm
2 LWD infinite plan objective: 10X/ 0.25, WD 10 mm
3 LWD infinite plan objective: 20X/ 0.4, WD 5.1 mm
4 Infinite plan phase objective: 40X/ 0.65, WD 0.35 mm
5 Centering Telescope 30 mm
6 Terasaki holder, 38 mm petri dish holder & 54 mm slide glass holder
7 10X to 20X, 40X phase annulus plate
8 Photo attachment
9 Video Adapter with C Mount

Used for applications in animal & plant tissue culture laboratory, fish laboratory, plant laboratory, poultry laboratory.

Viewing head Compensation free trinocular head inclined at 45°C, interpupillary distance 50 to 75 mm
Eyepiece WF10X/ 22 mm
Objectives Distance infinity plan objective:<br/> LWDPL 4X/ 0.1 W.D. 29.4 mm<br/> LWDPL 10X/0.25 phase contrast W.D. 16 mm<br/> LWDPL 20X/ 0.4 phase contrast W.D. 10.5 mm<br/> LWDPL 40X/ 0.6 W.D. 5.4 mm
Nosepiece Quintuple Nosepiece
Viewing head Compensation free binocular head inclined at 45°C, interpupillary distance 50 to 75 mm
Eyepiece WF10X/ 20 mm
Objectives Long working distance plan objective:<br/> LWDPL 4X/ 0.1 W.D. 25 mm<br/> LWDPL 10X/0.25 phase contrast W.D. 11 mm<br/> LWDPL 20X/ 0.4 phase contrast W.D. 6 mm<br/> LWDPL 40X/ 0.6 W.D. 3.8 mm
Nosepiece 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
Viewing head Compensation free binocular head inclined at 45°C, interpupillary distance 50 to 75 mm
Eyepiece WF10X/ 22 mm
Objectives Distance infinity plan objective:<br/> LWDPL 4X/ 0.1 W.D. 29.4 mm<br/> LWDPL 10X/0.25 phase contrast W.D. 16 mm<br/> LWDPL 20X/ 0.4 phase contrast W.D. 10.5 mm<br/> LWDPL 40X/ 0.6 W.D. 5.4 mm
Nosepiece Quintuple Nosepiece
Viewing head Compensation free trinocular head inclined at 45°C, interpupillary distance 50 to 75 mm
Eyepiece WF10X/ 20 mm
Objectives Long working distance plan objective:<br/> LWDPL 4X/ 0.1 W.D. 25 mm<br/> LWDPL 10X/0.25 phase contrast W.D. 11 mm<br/> LWDPL 20X/ 0.4 phase contrast W.D. 6 mm<br/> LWDPL 40X/ 0.6 W.D. 3.8 mm
Nosepiece Quintuple Nosepiece
Viewing head Monocular viewing head
Eyepiece 10X/ 18 mm
Objectives 4X/N.A. 0.08, working distance= 16<br/> 10X/N.A. 0.25, working distance= 3.6<br/> 40X/N.A. 0.6, working distance= 0.6
Nosepiece Triple nosepiece 4X/ N.A. 0.8, WD 16 mm
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
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

Comparison Microscope

Comparison Microscope is a benchtop unit offering magnification up to 5.0x. Designed with computer-based digital color video recorder for observing a live image of the split image.

Optical magnification range 2.5X ~ 120X
Eyepiece WF 10X / Ø 22 mm, WF 10X / Ø 14 mm
video recording system 3 mega pixels, 1024 × 768 resolution<br/> Support USB numerical VGA/AV/DAI output<br/> Match with digital camera port
Working distance 100 mm
Viewing Head Sliding type binocular head, inclined at 45° (5 pcs)
Eyepiece Wide field eyepiece WF10X (10 pcs)
Focusing Coaxial coarse & fine focus adjustment, fine division 0.002 mm
Objective Achromatic objective 4x, 10x, 40x(s), 100x(s,oil)
Viewing Head Sliding type binocular head, inclined at 45° (1 pcs)<br/> Monocular head, inclined at 45º (2 pcs)
Eyepiece Wide field eyepiece WF10X (4 pcs)
Focusing Coaxial coarse & fine focus adjustment, fine division 0.002 mm
Objective Achromatic objective 4x, 10x, 40x(s), 100x(s,oil)
Viewing Head Sliding type binocular head, inclined at 45° (2 pcs)
Eyepiece Wide field eyepiece WF10X (4 pcs)
Focusing Coaxial coarse & fine focus adjustment, fine division 0.002 mm
Objective Achromatic objective 4x, 10x, 40x(s), 100x(s,oil)
Optical System Finite optical system
Viewing head Trinocular viewing head, 30° inclined
Polarizing Attachment Polarizer: Sliding in/out of optical path, located on the top of collector<br/> Analyzer: Rotatable analyzer with gradation 0°-90°<br/> Bertrand lens: Bertrand lens, sliding in/out of optical path<br/> Optical Compensator: λ Slip (first class red), 1/4λ Slip, Quartz wedge
Eyepiece Eyepiece WF10X/18 with Division eyepiece 10X/18 mm 0.10 mm/div
Viewing Head Siedentopf type binocular head, 30° inclined, eyepiece rotation 360º<br/>Interpupillary adjustable distance 50 to 75 mm
Eyepiece WF10X/20 mm, WF10X/20 mm (reticle 0.1 mm)
Nosepiece Quintuple click stop revolving mechanism with multiple ball bearing
Condenser Swing type N.A. 1.25 with iris diaphragm and filter
Viewing Head Polarizing siedentopf trinocular head 30° inclined, eyepiece rotation 360°<br/>Interpupillary adjustable distance 48 to 76 mm<br/>Light distribution 100:1 (100% for eyepiece)
Eyepiece WF10X/20 mm, WF10X/20 mm (reticle 0.1 mm)
Nosepiece Quintuple, center adjustable
Condenser Swing out type N.A. 0.9/0.13 polarizing unit, (with scale, rotable 3600, can be locked)
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