MicroStar IMS-310 Infinitive Optical System provides excellent optical functions. The IMS-310 supplied with a stable Stand, the advanced Stage design allows for easy operation. The IMS-310 Inverted Metallurgical Microscope is widely used in many laboratories to observe and identify the various metals and alloy structures. Focus System, coaxial coarse and fine adjustment, vertical objective movement. Coarse stroke 37.7mm per rotation, fine stroke 0.2mm per rotation.