35mm Microscope Darkfield Filters - 2pcs

28mm Microscope Darkfield Filters - 2pcs

33mm Dia. Microscope Darkfield and Oblique Illumination Set

2PCS 33mm Small Horn Rubber Eyecup for Microscope Eyepiece, Anti-Glare

Olympus Darkfield Stop Ring for Olympus CH/CH-2 Microscope

Microscope Darkfield Set of two 35mm diameter

Microscope Darkfield Set of two 27mm Insertion Diameter will fit Leitz / Leica

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