This Model is mounted on a heavy iron base. It is most suitable for Educational Institution. Various Components are made from high precision machines, mounted on the aluminium base and the complete interferometer is mounted on a heavy cast iron base.
It consists of beam splitter and compensator Plates mounted in an aluminium housing. It is fitted on the aluminium base at 45° to two reflecting mirrors. All flat optics used have flatness of at least l/4 and are protected with a layer of silicon Monoxide coating.
Least Count 0.01mm. It also consist of reading telescope of magnification 3x, fitted with Ramsden eyepiece & cross line graticule. 20x objective with mount is also supplied with interferometer (in case of work with He-Ne Laser or Diode Laser).