Inverted Binocular Biological Microscope with Infinite Optical System

LB-290 Inverted Binocular Biological Microscope
This microscope is a high level microscope which is specially designed for medical and health units, universities, research institutes to observe cultured living cells. It adopts an Infinite optical system, reasonable structure and ergonomic design. With an innovative optical and structure design idea, excellent optical performance and easy to operate system, this inverted biological microscope makes your work enjoyable. A trinocular head is optional, so a digital camera or digital eyepiece can be added to the trinocular head to take photos and videos.

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Labomed, Inc. is certified by ISO 9001-2013, has CE Conformity and is FDA Licensed.

  • Excellent optical function with infinitive optical system.
  • Innovative stand structure, sharp image display, convenient and special for viewing incubating cell tissue.
  • A trinocular head is optional.
LB-290 feature 1 With LWD Infinitive Plan Objective, Making Viewing Field Flatter and Brighter, Contrast Sharper, Living Cell Observing easier
LB-290 feature 2 Advanced and Reliable Mechanical Stage with Knob

Height and Tightness Adjustable

LB-290 feature 3 Different Holders for Various Observations
LB-290 feature 4 With pre-centerable Phase Annulus, Available to

Observe Low Contrast or Transparent Specimens

Technical Specifications

LB-290 Inverted Binocular Biological Microscope with Infinite Optical System is used by medical and health units, universities, research institutes for observations of micro-organisms, cells, bacteria and tissue cultivation. It can be used for continuous observation of process of cells and bacteria as they grow and divide in the culture medium. Videos and images can be taken during the process. This microscope is widely used in cytology, parasitology, oncology, immunology, genetic engineering, industrial microbiology, botany and other fields.

Viewing Head Binocular Head Inclined at 30°, Interpupillary Distance 48-75mm
Eyepiece High-point, Extra Wide Field Eyepiece EW10×/ 22
Objective LWD(Long Working Distance)

Infinite Plan Objective

4×/ 0.1, WD 18mm
40×/ 0.6, WD 2.6mm
Infinite Plan Phase Objective PH10×/ 0.25, WD 10 mm
PH20×/ 0.4, WD 5.1mm
Nosepiece Quintuple Nosepiece
Condenser ELWD(Extra Long Working Distance) Condenser NA 0.3, LWD 72mm (Without Condenser 150mm)
Centering Centering Telescope (Φ30MM)
Phase Annulus 10×-20×, 40× Phase Annulus Plate
Stage Plain Stage 160×250mm
Glass Insert
Auxiliary Stages 70mm×180mm

Terasaki Holder (optional)

Petri Dish Holder Φ35MM and Φ90MM (optional)

Slide Glass Holder Φ54MM (optional)

Focusing Coaxial Coarse and Fine Adjustment, Vertical Objective Movement, Coarse Stroke 37.7mm per Rotation, Fine Stroke 0.2mm per Rotation
Illumination Halogen Lamp 6V/30W
Filter Diameter 45mm, Blue, Green and Frosted Filter
Dimension & G.W. 46.5cm*39.5cm*64cm, 15.5kg

LB-290 dimensions