●5 Prism Construction ●Rugged Metal Body ●Longer Tube with Slit Adjustment for spectrum ●Focusing tubes Scale & Spectrum ●Scale 400 - 750 nm
Description
Ideal for Gem Testing All Metal Rugged Construction Prism Optical System Provides reading from 400-750nm Sodium D Line for Scale Alignment Slit for Light Adjustment Focusable Tubes for Scale & Spectrum