Midmark Ultralux Operating Room lights are available refurbished from DRE.  These lights have 22? lightheads and the sterile handle adjusts the focus.  Technical Specifications: Foot Candles: 5,100 - 10,000 per head / Lux: 54,000-107,000 / Kelvin: 3100-3300° / Depth of Field: * / Focus Distance: * / Diameter of Light Pattern: *.