Optika Microscope B-69, bino, 40-1000x, LED, battery, cross table (62400)

Optika Microscope B-69 (Model 62400)

The Optika B-69 is a versatile binocular microscope designed for brightfield observation in educational, laboratory, and hobby settings. With a magnification range from 40x up to 1000x, including an oil immersion objective, it enables detailed examination of biological specimens and fine structures. The integrated LED illumination system provides consistent, bright light with low energy consumption. Its mechanical cross table and ergonomic design ensure precise handling and comfortable use during extended observation sessions.

Observation Mode
Brightfield.

Head
Binocular head inclined at 30° and fully rotatable through 360° for flexible viewing positions.

Diopter Adjustment
Dioptric correction on the left eyepiece.

Eyepieces
WF10x / 18 mm eyepieces, secured with fixing screws.

Nosepiece
Reversed quadruple revolving nosepiece mounted on ball bearings for smooth and precise objective changes.

Objectives (Achromatic with Anti-Fungus Treatment)
– 4x / 0.10
– 10x / 0.25
– 40x / 0.65
– 100x / 1.25 (oil immersion)

Specimen Stage
StagErase™ erasable mechanical cross table measuring 125 × 125 mm.
X-Y movement range: 62 × 24 mm.
Vernier scales on both axes with 0.1 mm accuracy.

Focusing System
Coaxial coarse and fine focus controls with a built-in safety stop to prevent contact between the objective lens and the specimen.

Condenser
Abbe condenser, N.A. 1.25, pre-centered and focusable, equipped with an iris diaphragm.

Illumination
Integrated 1 W LED built into the condenser with adjustable brightness control.

Color Temperature
6,300 K.

Power Supply
External multi-plug power supply, 100–240 Vac / 5 Vdc. Battery-compatible design.

Optical Specifications
Maximum magnification: 1000x
Field curvature: none
Eyepiece: 10x / 18 mm
Number of objectives: 4

Objective 1: 4x / 0.10
Objective 2: 10x / 0.25
Objective 3: 40x / 0.65
Objective 4: 100x / 1.25 (oil immersion)

Lighting System
Transmitted light illumination
Condenser: N.A. 1.25, focusable with iris diaphragm
Light source: LED

Field of View
18 mm

Brightfield capability: Yes

Mechanical Features
Construction type: Binocular
Specimen stage: Cross table (125 × 125 mm; X/Y travel 62 × 24 mm)
Viewing angle: 45° inclined eyepiece, 360° rotatable
Revolving nosepiece positions: 4

General Information
Series: B-60
Suitable for education: Yes
Suitable for hobby use: Yes
Supplier product number: B-69