| Brand | Unbranded |
|---|---|
| type | 500 Lines |
| MPN | DGS-500X10 |
| UPC | 3760258608102 |
Check the listing for details. LOT 10 Diffraction Grating Slide Holographic Linear 500 lines/mm Laser Spectrum. Condition: New. Listed at 39.99 USD. Project a spectrum using an overhead projector or 35mm slide projector for spectrum demonstration purposes. Use in conjunction with colored film gels for additive and subtractive color demonstrations.