RING ILLUMINATION DEVICE FOR MICROSCOPE OBJECTIVE LENS, AND MICROSCOPE OBJECTIVE LENS

摘要

PROBLEM TO BE SOLVED: To provide a ring illumination device for a microscope objective lens, and to provide the microscope objective lens.SOLUTION: A ring illumination device has at least two LED units, which are stored in an illumination ring 17 connectable to a microscope objective lens. The ring illumination device also has at least one lower-side inlet opening part 08 and at least one upper-side outlet opening part 09 for cooling air 28 for cooling the LED units. The microscope objective lens has the ring illumination device connected electrically and mechanically to an objective lens reception frame 29.