Almost any bright field laboratory microscope can be easily converted for use with dark field illumination if under condenser is a filter holder.

Compatible with Leitz microscopes equipped with condenser #55 (L) and #56 Laborlux and Dialux and others.

The set of dark field stops included in this sale are shown in the attached picture.

Please check if your condenser has a lateral opening for a 30mm x 3mm for a condenser slider insertion.

These are not Leitz original units, they are not marked and the material used is Delrin for rings and Aluminum 6061 for slider. The item is for sale as described, as pictured.