Auto collimator is a sensitive, extremely accurate optical instrument which is precisely used in optical workshops, inspection departments and quality control labs. It is basically a comparator where we compare optical element like slabs and prisms for flatness. It is used for very small angle measurements of the order of minutes.Specifications : - main drum division = 2 seconddivision on reticle = 1 minutefl of objective = 220mmclear aperture = 40mmmagnification = 11xleast division on = 2" of arc micrometer drumbuilt in light source , with 3 levelling screws in the base and suitable for measuring small angles widely used in metrological labs. It work on the principle light fall normally on mirror, the reflected ray comes back along the same path as the incident.
Ambala, Haryana, India
