... concept“Make progress day by day” concept,cultivate“Innovative, happy, unit, enterprising” spirit,and built up with “Immediate, true, meticulous ... full to 1/32(6 stop points).3. Precision light-output adjustments to an accuracy of 1/10 f-stop ... leakage Current tester,capacitance measurement machine,withstand voltage testing machine, light meter,high pressure machine etc.Material: strict control on ...