Leica Microscope Phase Contrast Condenser for Inverted with Ph0, Ph1, Ph2

6 position turret with 3 phase rings.
0.53 S 23 condenser lens, Article No. 521500
Condenser part no. 521503
Item is in good condition.
Turret rotates smoothly with click stops.
This was removed from an inverted DMIRBE.