[LB-281] Trinocular LED Fluorescent Biological Microscope w/ Infinite Optical System

LB-281 Trinocular LED Fluorescent Biological Microscope with Seidentopf Trinocular Head, Wide Field, Backward Quintuple Nosepiece, Kohler and LED Illumination, Infinite Plan Achromatic Objectives, (Infinity Color Corrected System) Reflected Light Source and Infinite Plan Optical System are newly developed microscopes, the microscopes use LED as the light source, the life span of the LED lamp is much longer than mercury lamp, the performance is also better.

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  • Excellent fluorescent image with infinitive optical system.
  • LED illumination with 50,000 hours life span.
  • No need for cooling system and protection device due to LED cold light source.
  • 465-476nm excited wavelength with high SNR.
  • Convenient to use, no need to warm up.
  • More fluorescent filters are available for different applications.

Technical Specifications


LB-281 Trinocular LED Fluorescent Biological Microscopes with Infinite Optical System is used to study the absorbing, transportation, chemicals distribution and positioning in cells. It is widely used in disease examination, immune diagnosis and life science areas.

Optical System Infinite Optical System
Viewing Head Seidentopf Trinocular Head Inclined at 30°,
Interpupillary Distance 48-75mm
Eyepiece Wide Field Eyepiece WF10×/22
Nosepiece Backward Quintuple Nosepiece (Can be supplied with backward sextuple nosepiece (optional))

Infinite Plan Achromatic Objective 4× 10× 40× 100×

Condenser Swing Condenser NA 0.9/0.25
Focusing Coaxial coarse & fine adjustment, Fine division 0.001mm
Stage Double Layers Mechanical Stage 185×142/ 75×55 mm
Illumination External Kohler illumination, Aspherical collector, Halogen lamp 6V/30W

Reflected Light Source

Excitation Dichroic Mirror Barrier Filter
Blue excitation BP460~490 DM505 BA515
Green excitation BP510~550 DM570 BA590
Lamp 3W LED Lamp (465-476nm)
Immersion Oil Fluorescent Free Oil


Optional Accessories

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