It is used for the measurement of angles in the experiments of reflection , refraction, diffraction and interference. It can be used with Elliptical polarimeter.
Reading precision: 1
Include the accessories : 6.3V transformer, parallel slab with stand, Hand illuminated magnifier, grating with a stand, equilateral prism (nd+1.6475,nf-nc=0.01912)
Model – QH 2551-1
Brand – QINGHUA
Country of Origin – China