29mm Dark Field / Oblique Microscope Filter Set

AO Brightfield-Darkfield Iris Diaphragm Microscope Objectives 50X 1016 100X 1014

Microscope Darkfield Set of two 32mm Insertion Diameter

Microscope Darkfield Set 45 mm Insertion Diameter

Microscope Darkfield Set For Older Leitz Microscopes - 55 Condenser or eq.

Leica Microscope Darkfield Filter DF – Original Leica Microscope Filter

32mm Diameter Microscope Special Effects Filters, Zeiss, Lomo and many others.

36mm Microscope Darkfield/Oblique Set . Will Fit some Olympus BX or Eq.