The true RGB Optical Registration System makes use of established, high tech optic technology to quickly and accurately register the product to be printed.This unique system will see the registration point you determine and accurately return each part to that position for multicolor, mutliple pass printing. The extra small .157″(4mm) diameter beam spot permits detection of minute targets as small as .039 (1 mm) in diameter. This system will register any part or color with an accuracy of plus or minus .001″ (.025 mm). Simple, reliable set-up and operation are standard. This option is available on any Systematic Automation screen printing machine.