27mm Phase Contrast PH3 Ring for Leica Microscope Retrofit Compatible

Leica Microscope PH3 Phase Ring Retrofit Compatible

Leica Microscope PH2 Phase Ring Retrofit Compatible

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

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

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

Leica Leitz Microscope 520622 S50 Phase 1a Ring for Condenser Slider

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