Our current range of optical equipment:
	Semiconductor Laser 630nm      1 mW class II laser. 1MHz pulse internal modulation. External modulation.  Modulated Laser Receiver      Detects modulated light from 100Hz to 5MHz. Signal output and loudspeaker.  Xenon Stroboscope      1 to 250 flashes/sec. Digital frequency display. Internal or external triggering.