Mechanically and optically in excellent condition. Some wear on the black anodized stage surface, but this is strictly a cosmetic issue. 100w halogen lamp house and internal power supply working properly.  1.40 Nomarski/Phase Contrast condenser with 10x 20x 40x 100x prisms, & 10x, 40x phase annuli. Polarizer slider is intact and rotates smoothly. BH2 DIC combining prism and analyzer in good condition. Sextuple objective turret rotates smoothly and clicks at each setting. SPlan 4x, SPlan 10x, SPlan 20x, SPlan 40x, A 40x PL(phase contrast), SPlan 100x Oil objectives installed.  Diatom photos were taken with the following objectives.

Photo #1 - 4x dark field using 40x phase annulus

Photo #2 - 10x DIC

Photo #3 - 20x DIC

Photo #4 - 40x DIC

Photo #5 - 40x DIC/Phase Contrast(bottom right)

Photo #6 - 100x DIC