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LB-277 Trinocular Medical Microscope
with Infinite Optical System and Extra Wide Field

LB-277 Trinocular Medical Microscopes with Infinite Optical System (Infinity Color Corrected System) and Extra Wide Field are high level microscopes which are specially designed for college education, medical and laboratory study. They adopt an Infinite optical system, an infinity color corrected system, beautiful structure and ergonomic design. With an innovative optical and structure design idea, excellent optical performance and easy to operate system, these biological microscopes make your work enjoyable.

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


  • Excellent image quality with infinite optical system.
  • Comfortable operating with ergonomic design.
  • Better illumination with sliding-in centerable condenser, convenient to replace phase contrast and dark field condenser.
  • Advanced design of mechanical stage structure prevents the scratches of users.

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Technical Specifications


LB-277 is an ideal instrument for the biological, histological, pathological, bacteriology, immunization, and pharmacy fields, and can be widely used in medical and sanitary establishments, laboratories, institutes, academic laboratories, colleges and universities.

Optical System

Infinite optical system

Viewing Head

Seidentopf Trinocular Viewing Head, Inclined at 30°, 360° Rotatable, Interpupillary 48-75mm


Extra Wide Field Eyepiece EW10×/22, Eyepiece Tube Diameter 30mm with diopter adjustment


Infinite Plan Achromatic Objective 4×, 10×, 40×, 100×
(Can make 5 objectives by request, adding 20× or 60× objectives is optional)
Plan 100% Dry Objective (optional)


Backward Quintuple Nosepiece


Coaxial Coarse & Fine Adjustment, Fine Division 0.002mm, Coarse Stroke 37.7mm per Rotation, Fine Stroke 0.2mm per Rotation, Moving Range 22mm


Rectangular 216×150mm, Cross Travel 78×54mm, Using Low-positioned X/Y Coaxial Control Knob, Can Hold Two Sides


Abbe Condenser NA1.25 with Aperture Diaphragm


12V/20W Halogen Lamp, Brightness Adjustable
Kohler illumination (optional)
Can be supplied with LED Illumination (optional)

Dimension & G.W.

38cm*26cm*51cm, 10kg

Sample Images


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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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