DAYSTAR QUANTUM SCIENTIFIC FILTERS
DayStar's Quantum range of solar filters are designed for professional and serious amateur applications and offer absolute precision control over wavelength transmission. H-alpha, Calcium II-H & II-K, Sodium D and Helium D3 filters are available.
The SE grade meet the critical DayStar quality control criteria applicable in all visual and some photographic environments. The PE grade series is designed for professional research studies and applications in which precision homogeneity and on-band transmittance values across the substrate surface are required. These filters require additional quality control steps and additional fabrication and testing time.
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