See Also: parfocal objectives(medicine)
parfocal(dictionary)
eyepiece, parfocal(medicine)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
Objectives(money)
Flourite objectives(medicine)
Management by Objectives(money)
Major Objectives(money)
Financial objectives(money)
Corporate Objectives(money)

parfocal objectives (medicine)


parfocal objectives
<microscopy> Objectives which are mounted so that only a small adjustment of the bodytube and stage is necessary to focus after changing from one objective to any of the others. They are mounted in such a way that the back focal plane is in the same position on the optical axis of the microscope for each objective. Objectives used on a rotating nosepiece are usually parfocal. Eyepieces are also parfocal within any given manufacturer's