B-290TB Digital microscope with viewing screen

Digital microscope with viewing screen
Model: B-290TB
Manufacturer: Optika – Italy

Observation mode: Brightfield.
Head: Binocular, 360° rotating and 30° inclined. Interpupillary distance from 48 to 75 mm; dioptric adjuctment on left eyepiece. Built-in 3.1 MP camera.
Dioptric adjustement: On the left eyepiece tube.
Eyepieces: WF10x/20 mm, high eye-point and secured by screw.
Nosepiece: Quadruple revolving nosepiece, rotation on ball bearings.
Objectives:
N-PLAN 4x/0.10
N-PLAN 10x/0.25
N-PLAN 40x/0.65
N-PLAN 100x/1.25 (Oil/Water)
All with anti-fungus treatment.
Specimen stage: Double layer rackless mechanical sliding stage, 150×139 mm, 75×33 mm X-Y movement range. Vernier scale on the two axes, accuracy: 0.1 mm.
Focusing: Coaxial coarse and fine focusing mechanism with limit stop to prevent the contact between objective and specimen. Adjustable tension of coarse focusing knob.
Condenser: Abbe N.A. 1.25, with objective-coded iris diaphragm, focusable and centerable.
Illumination (Fixed Koehler type): X-LED3 type with white 3.6 W LED (6,300 K) and light intensity control. Multi-plug 100-240Vac/6Vdc external power supply.