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3B SCIENTIFIC

®

 PHYSICS 

 

 
 
 

Binocular Course Microscope Model 300 LED (115 V)   1013368 
Binocular Course Microscope Model 300 LED (230 V)   1013144 

 

Instruction Manual 

01/14 ALF 

 

 

1 Eyepiece 
2 Tube 

3 Revolver 

with 

objectives 

4 Object 

guide 

5 Object 

stage 

6 Condensor 

with 

iris 

diaphragm and filter holder 

7 Lamp 

housing 

8 Illumination 

control 

9 Mains 

switch 

10  Adjustment knob for 

mechanical stage 

11  Adjustment knob for fine 

and coarse focusing 

12  Lock screw for object stage 

13  Head lock screw 

14 Stand  

 

1. Safety notes 

 

For power supply use only electrical sockets 
with ground contact. 

 
 

2. Description, technical data 

The binocular course microscope allows two-
dimensional viewing of objects (thin sections of plant 
or animal specimen) in 40x to 1000x magnification. 

The microscope 1013368 is for operation with a 
mains voltage of 115 V (±10%), and the 
1013144 unit is for operation with 230 V (±10%). 

Stand:

 Robust, all metal stand with arm perma-

nently connect to the base. Focussing by means of 
separate knobs for coarse and fine adjustment 
located on either side of the stand and operated by 
rack and pinion drive with ball bearings, adjustable 
stopper for protecting the object slides and objective 

Tube: 

Binocular Siedentopf head, 30° viewing 

angle, 360° rotatable head, viewing distance 
adjustable between 54 and 75 mm, ±5 dioptric 

compensation for both eyepieces 

Eyepiece:

 Pair of wide field eyepieces WF 10x 

18 mm  

Objectives:

 Revolver with 4 DIN achromatic 

objectives 4x / 0.10, 10x / 0.25, 40x / 0.65, 100x 
/ 1.25 oil (with specimen protection) 

Magnification:

 40x, 100x, 400x, 1000x 

Object stage: 

x-y cross table, 125 x 130 mm

2

with object guide and coaxial adjustment knobs 
perpendicular to the object stage, adjustment 
range 70 x 30 mm

2

 

Illumination: 

Adjustable LED lighting integrated 

in base 

Power supply:

 Via plug-in power supply 6 V 

DC, 200 mA 

Mains connection:

 1013368: 115 V, 50/60 Hz; 

1013144: 230 V, 50/60 Hz 

Condenser:

 Abbe condenser N.A.1.25 NA 0.65 

with iris diaphragm , filter holder and blue filter, 
focussed via rack and pinion drive 

Dimensions: 

282 x 148 x 357 mm³ approx. 

Weight: 

5.2 kg approx.

 

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