BestScope BS-2027B Binocular Biological Microscope

The BestScope BS-2027B Binocular Biological Microscope is a compact laboratory microscope designed for biological observation, education, routine laboratory work and microscopy training. BestScope describes the BS-2027 series as compact, stable and ergonomically designed, with LED illumination and straightforward operation. The BS-2027B uses a binocular viewing head for comfortable two-eye observation and is equipped with achromatic objectives for routine specimen examination. Its transmitted LED illumination provides adjustable, energy-efficient lighting for viewing biological samples. The compact frame makes the microscope particularly suitable for laboratories, schools, universities, medical training institutions and routine biological microscopy. Key Features Binocular viewing system: Seidentopf binocular head for comfortable two-eye observation. 30° inclined, 360° rotatable head: Helps provide a comfortable viewing position. Adjustable interpupillary distance: 50–75 mm. Diopter adjustment: ±5 on the left eyepiece tube. Wide-field eyepieces: PL10×/18 mm supplied as standard. 40×–1000× total magnification with the standard 10× eyepieces and 4×, 10×, 40× and 100× objectives. Four achromatic objectives: 4×, 10×, 40× spring-loaded and 100× spring-loaded oil immersion. Backward quadruple nosepiece: Allows convenient switching between four objectives. Double-layer mechanical stage: Provides controlled specimen-slide movement. Coaxial coarse and fine focusing: Fine-focus precision of 0.002 mm. NA 1.25 Abbe condenser: Includes iris diaphragm and filter holder. 3W LED illumination: Brightness is adjustable for different specimens. Cold or warm LED option: Cold 4750–5500K or warm 2850–3250K configurations are available. Wide-voltage power adapter: Supports 100–240V AC, 50/60Hz input. Optional rechargeable battery system: Useful where mains electricity is unavailable or unstable. Compact, stable construction: Designed for desktop and laboratory workbench use. Technical Specifications Specification Details Brand BestScope Model BS-2027B Type Binocular Biological Microscope Optical System Finite Optical System Viewing Head Seidentopf Binocular Head Inclination 30° Head Rotation 360° Interpupillary Distance 50–75 mm Diopter Adjustment ±5, left tube Eyepiece PL10×/18 mm Wide Field Plan Objective 1 4×/0.10 Objective 2 10×/0.25 Objective 3 40×/0.65 Spring Objective 4 100×/1.25 Spring, Oil Total Magnification 40×–1000× Nosepiece Backward Quadruple Stage 132 × 140 mm Double-Layer Mechanical Stage Stage Precision 0.1 mm Focusing Travel 25 mm Fine Focus Precision 0.002 mm Condenser NA 1.25 Abbe Illumination 3W Adjustable LED Power Input 100–240V AC, 50/60Hz Net Weight Approx. 8 kg Gross Weight Approx. 10 kg