Illuminator VIS-LED for mounting on the transmitted-light, reflected-light illuminator, included LED lamp module for VIS-LED - color temperature 5600 K - average lifetime > 10,000 hours - control signals: Trigger-input (BNC) for controlling, max. trigger frequency ca. 100 Hz - usable for objectives from 2.5x - incl. neutral-density filter 0.12 D=25x2 for use with digital microscopy cameras