This video gives a brief overview of how to adjust the field diaphragm on a compound microscope for viewing a specimen on a slide. This video can also be viewed at ...

- Abbe convergent lens N.A.1.25 with changeable diaphragm. - 12V/50W Cola illuminating system (input voltage 85V~265V), center adjustable field diaphragm.

Precision Motorized Focus and Field Diaphragm Motorizing the nosepiece has the advantage that the objective can be changed using either the remote control handset or the PC software control.