> Level One
Topical cleaning of system
Cleaning of eyepieces - external and internal
External cleaning of objective lenses
Optical alignment check with minor realignments, if necessary
> Level Two
All services of Level I
Focusing system service
Major realignments/recollimation, as required
> Level Three
All services of Level II
Service to interior optics (full zoom train, if present)
Cleaning and relubrication of diopter collars/focusing eyepieces
> Level Four
All services of Level III
Service to porro prisms/mirror cage assemblies and I.P.D movement
*Note: This service level involves a total reconditioning of the microscope system.