GRS 024-290 Optia LED Ring 110V Engraving & Stonesetting Specially formulated for use with

Specially formulated for use with silent air compressors

When light strikes these spheres

Magnification 10x Lens Diameter 21mm Lens Type Compound triplet Lens Origin European-made Aberration Correction Chromatic (aplanatic) and spherical (achromatic) Housing Material Solid-grade aluminum Body Color Black What's Included

Zona fine saw (42 TPI blade)

92:1 (nominal 4:1) Speed Reduction Output speed approximately 1/4 of indicated control box speed Torque Increase Approximately 4× multiplication Added Length 1

GRS 024-290 Optia LED Ring 110V Engraving & Stonesetting Specially formulated for use withThe GRS 024 290 Optia LED Ring Light (110V) brings natural spectrum illumination to your microscope setup. Designed for professional jewelers, engravers, and bench craftspeople, this ring light delivers adjustable intensity to help you see your work clearly under magnification. The three adjustable threads make it compatible with most standard microscope configurations, allowing for straightforward installation at the bench. Features Natural spectrum