Made from Borosilicate glass, these equilateral prisms are optically worked with 2 faces polished and most suitable for 
use with a spectrometer.
      Equilateral side Height (mm)
        25 x 25
        32 x 32
        38 x 38 
The above sizes are available in the following Refractive Indices.
Crown Glass                       Refractive Index 1.15   
                                                               approx
.Dense Flint Glass                     Refractive Index 1.62 approx.
Extra Dense Flint Glass             ReRefractive Index 1.65 approx.
Double Extra Dense Flint Glass     Refractive Index 1.70 approx.
 (All Refractive Indices mentioned are approximate)

Made from Borosilicate glass, these equilateral prisms are optically worked with 2 faces polished and most suitable for 
use with a spectrometer.
      Equilateral side Height (mm)
        25 x 25
        32 x 32
        38 x 38 
The above sizes are available in the following Refractive Indices.
Crown Glass                       Refractive Index 1.15   
                                                               approx
.Dense Flint Glass                     Refractive Index 1.62 approx.
Extra Dense Flint Glass             ReRefractive Index 1.65 approx.
Double Extra Dense Flint Glass     Refractive Index 1.70 approx.
 (All Refractive Indices mentioned are approximate)