
2 OBN-13-BA-e-2511
EN
Version 1.1 02/2025
User instructions
Transmitted light laboratory microscope
Table of contents
1
Technical data .............................................................................. 4
2 Declaration of conformity ............................................................ 5
3 Device overview ........................................................................... 6
4 Before use .................................................................................... 8
4.1 General information ................................................................................................................. 8
5 Basic information (general) ......................................................... 8
5.1 General information on warnings ........................................................................................... 8
5.2 Intended use ............................................................................................................................. 9
5.3 Improper use ............................................................................................................................. 9
5.4 Warranty .................................................................................................................................... 9
5.5 Notes on the electrical system .............................................................................................. 10
5.6 Storage and transportation ................................................................................................... 11
6 Basic warnings and safety instructions ................................... 12
6.1 Observe the notes in the operating instructions ................................................................ 12
6.2 Staff training ........................................................................................................................... 12
6.3 Safety ....................................................................................................................................... 12
7 Unpacking and commissioning ................................................ 15
7.1 Unpacking ............................................................................................................................... 15
8 Assembly .................................................................................... 16
8.1 Microscope head .................................................................................................................... 17
8.2 Objectives ............................................................................................................................... 17
8.3 Eyepieces ................................................................................................................................ 17
8.4 Colour filter ( OBN 132 ) ......................................................................................................... 17
8.5 Condenser ............................................................................................................................... 17
8.6 Operation and function of the microscope .......................................................................... 18
8.7 (Pre-) focusing ........................................................................................................................ 19
8.8 Adjusting the interpupillary distance ................................................................................... 20
8.9 Dioptre adjusment .................................................................................................................. 20
8.10 Adjusting the magnification .................................................................................................. 21
8.11 Adjusting the Koehler Illumination ....................................................................................... 22
8.12 Using the eyecups .................................................................................................................. 25
8.13 Use oil immersion lenses ...................................................................................................... 26
9 Changing the bulb ..................................................................... 27
10 Changing the fuse (OBN 132) .................................................... 27
11 Use of optional accessories ...................................................... 28
11.1 Polarization unit ...................................................................................................................... 28
11.2 Camera connection ................................................................................................................ 29
11.3 Dark field units ........................................................................................................................ 29
11.4 Phase contrast units .............................................................................................................. 30