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LB-283 LED Fluorescent Trinocular Medical Diagnostic Microscope

LB-283 LED Flourescent Trinocular Medical Diagnostic Microscope is designed specifically for the daily routine work in the demanding applications of education, pathology investigation, clinical and laboratory usage.The innovative LED medical diagnostic fluorescent illumination source provides excellent image processing, with a user-friendly and comfortable microscope experience.

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


  • Six-holes disk fluorescence unit, More fluorescence filters can be supplied
  • Reckless Wire Driven Mechanical Fixed Stage with focus lock is safer than traditional stage
  • Quintuple turret phase contrast unit with 10X/20X/40X/100X infinity plan phase contrast objective for phase contrast and bright field observation.
  • N.A.0.9/0.13 Swing-out Condenser
  • Dark field condenser (dry) available to 4X-40X Objective
  • Dark field condenser (wet) available to 100X Objective
  • Infinity Plan Objectives
  • This model is mainly used for sputum smear examination of Tuberculosis. The fluorescent filter for O Auramine is mainly used for this application. This microscope is mainly used in the Centers for Disease Control and Prevention (CDC).

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Technical Specifications

Optical System

Universal Infinity Optical System

Optical Lens

Anti- fungus coated Optical Lens


WF10×/20mm (adjustable with special eye cups)

Infinity Plan Objectives

PLAN 10×/0.25


PLAN 20×/0.40(S)


PLAN 40×/0.66(S)


PLAN 100×/1.25(S, Oil)


Seidentopf Trinocular Head

Inclined 30°, rotatable 360°, Interpupilary distance:48mm-76mm,
Light distribution (both): 100: 0 (100% for eyepiece)
80:20(80% for trinocular head and 20% for eyepiece)



Mechanical Stage

Reckless Wire Driven Mechanical Fixed Stage with focus lock
Stage size: 182 mm×140mm,Travel range: 77mm×52mm
Two-slide holder

Coaxial Coarse and
 Fine Focusing Knobs

Coarse Focusing Travel Range: 25mm
Fine Focusing Travel Range: 2µm/division


Abbe Condenser N.A. 1.25  with iris diaphragm.

Koehler Illumination

3W LED Lamp
Wide voltage input: 100V~240V
Field diaphragm , center adjustable



Fluorescence Attachment

Epi fluorescence unit ( six-hole disc media which can be fixed Uv /V/B/G and another filters), LED fluorescence lamp.
Optional battery pack (6V DC) with charger

Excitation Filter: O Auramin Filter
Optional Filters: Blue, Green, Violet and Ultraviolet (UV)
Battery: Rechargeable Battery (Built-in)
Packing Size: 755mm×340mm×440mm 
Gross Weight: 17 kgs 
Net Weight: 15kgs


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Spectrophotometers from Labomed
Labomed, Inc. Mailing Address: 2728 S La Cienega Blvd.
Los Angeles, CA 90034 U.S.A TEL (310) 202-0814  FAX (310) 202-7286 Email:, 

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