33mm Dia. Microscope Darkfield and Oblique Illumination Set

Microscope Phase Contrast Rings 32mm Diameter

Fisher Scientific Microscope Light Illuminator Diffuser Parts

Phase Contrast Set 27mm Diameter Compatible w/ LEICA Microscope

Leica Microscope PH2 Phase Ring Retrofit Compatible

Microscope Bottom External Lamp Brightness Adjustable Microscope Light Source

Leica Microscope PH1 Phase Ring Retrofit Compatible

Rechargeable LED Electric Light Source Bottom Microscopio Illuminators 110-240V