Ring Light 60 BulbRing Light 60 Bulb Fluorescent and LED ring lights offer shadow free cold illumination with super long life bulbs at a reduced cost. Long thumb screws allow for easy attachment to almost any brand of microscope. The newly redesigned fluorescent ring light is the most affordable option, and the LED models produce the most intense, focused illumination with 10,000 hour white LED bulbs. The economical 48 bulb LED ring light features variable intensity