Radical Instruments offer Educational Laboratory Light Equipment. Radical Instruments is an ISO: 9001 certified manufacturer of biological and industrial instruments. Educational Laboratory Light Equipment consists of optical benches, spectrometers, optical discs, Vernier microscopes, light boxes, telescopes, lens holders, direct-vision spectroscopes, mirrors, slits, slabs, biprism assembly, diffraction gratings, biprisms and telescopes and compound microscopes.