3B Scientific Binocular Microscope Model 400 User Manual

3b scientific, Physics

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3B SCIENTIFIC

®

PHYSICS



1

Binocular Microscope Model 400 1003275

Instruction Manual

03/13 ALF


1 Eyepiece

2 Tube

3 Revolver

with

objectives

4 Object

stage

5 Condensor lock screw

6 Condensor with iris diaphragm

and filter holder

7 Lamp

housing

8 Illumination

control

9 Coarse and fine movement con-

trols with holding brake

10 Coaxial movement control for the

specimen stage

11 Mains switch

12 Object guide

13 Lock screw for object stage

14 Stand

15 Head lock screw

1. Safety notes

For power supply use only electrical sockets
with ground contact.

Caution! The Stirling engine becomes hot during
use. Risk of burns!

Do not touch the lamp during or immediately
after use.


2. Description, technical data

The binocular microscope allows two-
dimensional viewing of objects (thin sections of
plant or animal specimen) in 40x to 1500x mag-
nification.

Stand: Robust, all metal stand with arm perma-
nently connected 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 and retaining lever, adjustable stopper

for protecting the object slides and objective.
Focus range: 15mm, resolution of fine focussing
adjustment: 0.002 mm

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 and WF 15x 13 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 – 1500x

Object stage: x-y cross table, 132 x 145 mm

2

,

with object guide and coaxial adjustment knobs
perpendicular to the object stage, adjustment
range 50 x 76 mm

2

Illumination: Adjustable 6 V, 20 W halogen
lamp incorporated into the base, universal 85 to
265 V, 50/60 Hz power supply

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