Leica Leitz Microscope 1S1-UCL Phase Ring for Condenser

Leica Leitz Microscope 3S1 Phase Ring for Condenser

Leica DM Microscope Condenser Large Phase Annulus Light Ring PH2 S70 & PH3 S23

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

Leica Leitz Microscope 1S1-UCL Phase Ring for Condenser

27mm Phase Contrast PH3 Ring for Leitz Microscope Retrofit Compatible

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

Leica Leitz Microscope 11555106 3S23 2S70 Phase Ring for Condenser Slider