SVBONY SV605 40-1600X Compound Binocular Microscope 1. Optical system: limited biological microscope 2. Observation head: binocular head, 45 degree tilt, 360 degree rotation 3. Eyepiece: WF10X WF20X 4. Objective: 4X 10X 40XS 5. Extender: 2.0X (built-in) 6. Magnification: 40X-1600X 7. Pupil adjustment range: 55-75mm 8. Bench: 90 x 90mm square moving scale disc filter 9. Adjustment: coarse focus and fine focus (dual knobs) 10. Illuminator topbottom: LED light using 4 x AA batteries (not included) 11. Net weight: about 1700g 12. Size: about 18.5 x 14 x 29cm Features: 1. 360 degree rotatable viewing head with interchangeable wide angle 10X and 20X glass eyepieces 2. Ergonomic 45-degree tilt reduces neck strain and easily adjusts to fit different pupil distances without losing focus 3. A tool for clinical, laboratory and educational purposes for high school, college and medical students as well as seasoned professionals 4. With a separation system for binocular strabismus, freeing up both your eyes 5. Objective converter is equipped with three DIN colorless objective lenses with 4X, 10X and 40XS magnification, which can be switched at any time 6. 5-color filters, according to different specimens to choose the appropriate color filter to obtain better observation, and equipped with upper and lower LED dual illumination system, the upper and lower light sources can be independently controlled illumination brightness 7. Mechanical moving platform with scale, X-axis and Y-axis coaxial movement, more accurate movement 8. Metal platform surface wear-resistant and corrosion-resistant, upper and lower thickness coaxial focusing wheel structure body 9. Support power supply and battery (not included) dual power supply system, easy to carry Packing list: - Microscope x 1 - Slide box x 1 - Cutting knife x 1 - 15x slide x 1 - Plastic tweezers x 1 - Needle x 1 - Stirring rod x 1 - Dropper x 1 - Petri dish x 1 - Sample bottle