Model

BS-2050 B1

BS-2050 T1

BS-2050 B2

BS-2050 T2

Viewing Head

Seidentopf Binocular Head, 

Inclined at 30°, 

Interpupilary Distance 55-75mm

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Seidentopf Trinocular Head, 

Inclined at 30°, 

Interpupilary Distance 55-75mm

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Eyepiece

Wide Field Eyepiece WF10×/ 18

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Wide Field Eyepiece P16×/ 11

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Objective

Achromatic Objective 

4×, 10×, 40×, 100×

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Plan Achromatic Objective 

4×, 10×, 40×, 100×

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Nosepiece

Quadruple Nosepiece

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Stage

Double Layers Mechanical Stage 

140×140mm/ 75×50mm

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Condenser

NA 1.25 Abbe Condenser with Iris 

Diaphragm and Filter

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NA 0.7-0.9 Dark Field 

Condenser(Dry) 

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NA 1.25-1.36 Dark Field 

Condenser(Oil)

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Focusing

Coaxial Coarse & Fine Adjustment,

 Fine Division 0.002mm, 

Coarse Stroke 37.7mm per Rotation, 

Fine Stroke 0.2mm per Rotation, 

Moving Range 20mm

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Illumination

LED Illumination, 

Brightness Adjustable

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Halogen Lamp 6V/ 20W, 

Brightness Adjustable

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Video Adapter

C Mount 1×

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C Mount 0.5×

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Filter

Blue Filter & Green Filter