User Guide
2
120
Series
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Contents
Before Use.......................................................................................... 3 
Introduction ............................................................................................................. 3 
Safety Precautions ................................................................................................... 4 
Parts .............................................................................................. 5 
B120 ................................................................................................................. 5 
T120 ................................................................................................................. 6 
Base & Condenser ............................................................................................ 7 
Definition of Parts ............................................................................................... 8 
Getting Started ............................................................................ 9 
Assembly .................................................................................................................. 9 
Operation .................................................................................. 10 
Setting Up ................................................................................................................. 10 
Focusing ................................................................................................................. 10 
Adjusting The Condenser & Diaphragm ......................................................... 11 
Attaching a Camera ........................................................................................... 11 
Setting the Stage’s Limit-Stop .............................................................................. 11 
Adjusting Focusing Tension ........................................................................... 12 
Maintenance/Precautions ..................................................................................... 12 
Specifications .............................................................................. 13 
B120 Series Specifications .................................................................................... 13 
T120 Series Specifications .................................................................................... 14 
Optional Accessories ............................................................................................. 15 
Objectives .......................................................................................................... 16 
Eyepieces ................................................................................................................ 16 
Technical Parameters ................................................................ 17 
Electrical System ............................................................................................... 17 
Parameters ............................................................................................................. 17 
Technical Terms & Concepts .......................................................................... 18 
Troubleshooting ........................................................................ 19 
Common Issues ..................................................................................................... 19 
Common Issues (Continued) ............................................................................. 20 










