🌟 Illuminate Your World with Spectral Magic! Easily portable at just 14g, perfect for on-the-go analysis. Crafted with 1000 lines/mm for unparalleled clarity. Utilizes advanced H.O.E. for superior optical performance. Ideal for gas tube analysis and various light sources. Experience the brightest spectra with minimal noise. 1000 lines/mm 6" x 12" H.O.E. tech The Rainbow Symphony Diffraction Grating Sheet features a high-density 1000 lines/mm design, measuring 6" x 12". This lightweight (14g) sheet is engineered with advanced Holographic Optical Elements (H.O.E.) for optimal spectral analysis, making it perfect for professionals seeking precision in light source evaluation.