Olympus Differential Interference Contrast Attachment

Olympus NIC/Phase Contrast condenser, the condenser with 4 Wollaston Prisms marked 10, 40 and 100 with corresponding phase filters, with Aplanat Achromat condenser, slide in/out polarising filter with centering wheels, centering telescope CT-5, auxiliary clamping wrench, with the following objectives:

Olympus Plan PL 10/0.25 objective in a case,
Olympus Plan 10/0.25 objective in a case,
Olympus Plan PL 40/0.65 objective in a case,
Olympus Plan 40/0.65 objective in a case,
Olympus HI Plan PL 100/1.25 objective in a case,

all in original box with original instructions.