JC-10/JC4-10 is a pocket-sized portable microscopic measuring instrument for powder particles, surface imperfections, scratches, faults, and coating thicknessdegree and other online quality control and material hardness testing. Its MCU-10/MCU-15 micrometer eyepiece parts can also be equipped with a variety of complex optical instrumentsIt is used for microscopic measurement of readings. (Such as: self-measuring micro-collimator, Vickers Hardness Tester, microHardness Tester, finish microscope and other measurement reading.)number of parts). It is widely used in light industry, machinery, electronics, printing and other industries.