Schaerer Arcus 500 Features The PowerLED 500 surgical lights provide a unique “always-in-focus” illumination with an exceptional depth of field. No need to reposition during operations. 2nd generation of warm white LED: Improved working conditions Higher luminous efficiency Heat-free light Optimized service life up to 40,000 hours and low energy consumption 2 millions pixels: true HD cameras Clear and realistic images Highly accurate color restitution Professional quality in the OR: a resolution 5 times higher than traditional cameras Flux Stability Program Patented LED luminous flux management Dynamic electronic control of illumination Schaerer Arcus 500 Specifications Optical and Photometric Characteristics Illumination (lux) 110,000 Field diameter* (cm/inch) 24 / 9.4 Color temperature (k) 3,800 Color rendering index (CRI) 95 Radiant energy (average) (mw/m2.lx) 3.6 LED service life (hours) 40,000 Ambient Light Characteristics Illumination (lux) 500