4 pcs 32mm Optical Filters Transparent Glass Green Blue Yellow Frosted White

Optical Color Filter 32mm Diameter f/ Biological Microscope Frosted Glass Filter

Microscope Blue Color Filter 45 42 35 32 mm Diameter for Biological Microscope

Different Diameter Microscope Translucent Board Frosted Glass Working Stage Plat

Olympus Microscope ND6 Filter

M42 M48 Stereo Industrial Microscope Auxiliary Barlow Objectives 0.35X 0.5X- 2X

1PC Microscope Blue Color Filter 45/42/35/32mm for Biological Microscope

Olympus Microscope Abbe Condenser 1.25 plus Blue Filter , G.C.