B-290TB |
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. |