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- Eyepiece Cleaning Front and rear
- Internal head optics and prisms
- Phototube optics, mechanical slider mechanisms and camera adapters
- Infinity optics, ports, splitters
- Filter cubes for excitation and emission wavelengths
- Fiber optic power supplies and cables
- Polarizer and Analyzers
- Objective cleaning front and rear
- Stage, slide clip, racks, gears, rail cleaning and alignment
- condenser cleaning, repair and alignment
- Full Kohler alignment
- Phase contrast alignment with centering telescope
- Stage fine coarse focus issues
- Stage height lock issues
- Focus tension issues
- Light globes, fuses, power supply repairs