These quality student transmission gratings are protected by two glass plates, 60mm x 45 mm.
Viewing area measures approximately 45mm x 30mm.
These transmission gratings are for detailed quantitative spectral analysis.
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| Order # | Description |
| Â DFG100 | Â 100 Lines per mm |
| Â DFG300 | Â 300 Lines per mm |
| Â DFG600 | Â 600 Lines per mm |
|  DFG525-PK/5 |  Diffraction Gratings in Slide Viewers  13,400 lines per inch, pk of 5 |
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