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LB-257 Trinocular Biological Microscope

LB-257 Trinocular Biological Microscope with Wide Field, LED Illumination and Six Plan Achromatic Objectives (4×, 10×, 20×, 40×, 60×, 100×) are classical biological microscopes, the microscopes feature ingenious stand, backward nosepiece and flexible structure. It is widely used in biological, pathological, bacterial, histological, immune and genetic fields. With a microscope adapter, a digital camera (or digital eyepiece) can be plug in to the trinocular tube or the eyepiece tube. Nice shape, excellent optical system and flexible outfit make you enjoy the microscope.



Convenient and Comfortable Observing with High Point and Wide Field Eyepiece EW10×/ 20.

Sharp and Bright Image with Semi-plan Objectives.

Suitable for Different Region Power, supply with 100V-240V Multi-input Rating.



Viewing Head-Seidentopf Trinocular Head, Inclined at 30°, 360° Rotatable, interpupillary distance 52-75mm

Eyepiece-Wide Field Eyepiece EW10×/ 20 with diopter adjustment

Objective-Plan Achromatic Objective 4×, 10×, 20×, 40×, 60×, 100×

Nosepiece-Backward Quadruple Nosepiece

Stage-Double Layers Mechanical Stage 140×140mm/ 75×50mm

Focus-Coaxial Coarse & Fine Adjustment, Fine Division 0.002mm, Coarse Stroke 37.7mm per Rotation, Fine Stroke 0.2mm per Rotation, Moving Range 20mm

Condenser-NA 1.25 Abbe Condenser with lris Diaphragm and Filter

Illumination-LED Illumination, Brightness Adjustable

Kohler illumination (optional)

Filter- Blue, Green Filter

Dimension & G.W. 35cm*31cm*57cm, 9.5kg


with Wide Field

Trinocular Microscope, Labomed Microscope, Biological Microscope