Optika B-69 Binocular Microscope

Cordless, modern binocular microscope ideal for students and mainly primary schools with achromatic lenses (1000x), FN 18 eyepieces, finite optical system, coaxial focusing, StagErase™ eraseable mechanical stage, Abbe condenser and 1 W LED illumination with rechargeable batteries. Slim and easy to carry, it is equipped with arm/wrist rest support to reduce the fatigue during use and long lasting LED illumination to provide over 20 years of use.
Features:

Observation mode: Brightfield.
Head: Binocular, 30° inclined; 360° rotating.
Dioptric adjustment: Left eyepiece.
Eyepiece: WF10x/18 mm, secured by screw
Nosepiece: Quadruple ball bearings revolving nosepiece, reversed.
Objectives:

– Achromatic 4x/0.10, with anti-fungus treatment

– Achromatic 10x/0.25, with anti-fungus treatment

– Achromatic 40x/0.65, with anti-fungus treatment

– Achromatic 100x/1.25 (oil), with anti-fungus treatment
Specimen stage: StagErase™ eraseable mechanical stage, 125×125 mm, 62×24 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.
Condenser: Abbe N.A. 1.25, pre-centered, focusable, with iris diaphragm.
Illumination: 1 W LED, with brightness control, rechargeable batteries.
Color temperature: 6,300 K. Multi-plug 100-240Vac/5Vdc external power supply.

 
Technical Specifications:

Observation Method – Transmitted Light
Brightfield
Yes

 
Simple polarized light
As optional

Main Body
Type
Upright

 
Construction material
Aluminum die-cast

 
Trasportation handle
Yes

Head
Type
Binocular (Siedentopf)

 
Inclination
30°

 
360° rotating
Yes

 
Interpupillary distance (mm)
55-75

 
Dioptric adjustement
On left tube

 
Fixing screw for eyepieces
Yes

 
Tube inner diameter (mm)
23

Eyepieces
Field number (mm)
18

 
Magnification
10x

 
Pointer
As optional

 
Micrometric scale
As optional

Nosepiece
Positions
Quadruple

 
Reversed
Yes

 
Bi-directional
Yes

 
Rotation on ball bearings
Yes

 
Objective thread
RMS

Objectives
Optical system
160

 
Anti-fungus treatment
Yes

 
Parfocal distance (mm)
35

 
Standard magnifications
40x-1000x

 
Type
Achromatic

 

4x/0.10, W.D. 10.6 mm

 

10x/0.25, W.D. 7.0 mm

 

40x/0.65, W.D. 0.5 mm

 

100x/1.25 (Oil), W.D. 0.13 mm

Stage
Type
Double layer

 
Dimensions (mm)
125×125

 
Moving mechanism
Rack and pinion

 
Moving range (mm)
62×24

 
Material
Anti-scratch painting

 
Specimen holder
Yes

 
Slide number
1

 
X-Y Vernier scale
Yes

 
Vernier scale accuracy (mm)
0.1

Condenser – Single
Position
Type
Abbe

 
Numerical aperture (N.A.)
1.25

 
Diaphragms
Iris

 
Focusable
By rotation

Focusing System
Type
Coaxial coarse & fine

 
Coarse total travel (mm)
23

 
Fine total travel (per single rotation) (mm)
1.2

 
Fine graduations
100

 
Fine resolution (µm)
12

 
Upper stop to prevent contact
Yes

Transmitted
Illumination
Type
LED

 
Light source power (W)
1

 
Brightness control
Manual

 
Lifetime (hours)
> 65,000

 
Temperature (K)
6,300

 
Max. required power (W)
1.5

Power Supply for
Transmitted
Illumination
Type
External

 
Microscope connector
Jack, 2.1 mm

 
Power plug type
Multi-plug (EU, UK, US)

 
Input voltage
100/240 Vac, 50/60 Hz

 
Output voltage
5 Vdc 500 mA

 
Rechargeable batteries
Yes

 
Battery type
Ni-MH (3x, AAA size)

 
Working time of batteries (hours)
4

 
Charging time of batteries (hours)
8

Accessories Included
Dust cover
Yes

 
Immersion oil (10ml)
Yes

 
User Manual
Digital version (downloadable)

Product Dimensions
Height (mm)
330

 
Width (mm)
135

 
Depth (mm)
235

Product Weight
(kg)
3.0

Description

  • Observation mode: Brightfield.
  • Head: Binocular, 30° inclined; 360° rotating.
  • Dioptric adjustment: Left eyepiece.
  • Eyepiece: WF10x/18 mm, secured by screw
  • Nosepiece: Quadruple ball bearings revolving nosepiece, reversed.
  • Objectives:
    – Achromatic 4x/0.10, with anti-fungus treatment
    – Achromatic 10x/0.25, with anti-fungus treatment
    – Achromatic 40x/0.65, with anti-fungus treatment
    – Achromatic 100x/1.25 (oil), with anti-fungus treatment
  • Specimen stage: StagErase™ eraseable mechanical stage, 125×125 mm, 62×24 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.
  • Condenser: Abbe N.A. 1.25, pre-centered, focusable, with iris diaphragm.
  • Illumination: 1 W LED, with brightness control, rechargeable batteries.
  • Color temperature: 6,300 K. Multi-plug 100-240Vac/5Vdc external power supply.
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