27mm Phase Contrast PH3 Ring for Leitz Microscope Retrofit Compatible

Leica Microscope PH3 Phase Ring Retrofit Compatible

Leica Leitz Microscope 513637 Ph1 S95 Phase Ring for Condenser, 29mm OD

Leica DM Microscope Condenser Phase Annulus Light Ring PH1-S70, PH2-S23, PH3-S1

Leica DM Microscope Condenser Phase Annulus Light Ring PH1-S1 and PH0-S23

Leica DM Microscope Condenser Large Phase Annulus Light Ring PH1 1S1, PH0 S23

Leica Leitz Microscope 1S1 0S23 Phase Ring for Condenser Slider

Phase Contrast Set 27mm Diameter Compatible w/ LEICA Microscope