Newton’s Ring Microscope
Astandard Microscope unit having 30x magnification is provided with a rotatable cross line and the eye piece can be focused as per individual’s requirement. The whole microscope tube unit can be
raised or lowered and can be clamped in any desired position. The focusing of the microscope unit is done by rack and pinion arrangement. The longitudinal movement of the microscope saddle
for the purpose of the rings is done by rotating the drum. The 26 mm movement can be read by scale and on the divided drum to 0.001 cm. Newton’s Ring set consisting of the optical flat glass and one Planoconvex Lens (50mm radius) arranged inside a metal case resting over the stage of the instrument which can be adjusted for the alignment of the measuring line. An adjustable reflector plate in the required direction is fitted on to the side of the set. The condenser lens is provided in front of the reflector.