P501.030 DIFFRACTION GRATING
Description
Photographic replica grating mounted on plate glass and suitable for visual.
Grating size, 25x25mm, on glass plate 50x38mm.
The gratings are:
TYPE SIZE
- 300lines/mm
- 600lines/mm
- 600lines/mm
- 2400lines/inch
- 7500lines/inch
- 15000lines/inch
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