DayStar Filters are the academic standard in narrow bandpass astronomical solar filters. For decades, professional observatories and universities worldwide have counted on the superior quality and performance of DayStar filters. They can be found in the world's major educational institutions and research facilities, both terrestrial and flown.
 The superior DayStar solid spaced etalon design is adaptable to a wide variety of astronomical telescope systems offers high enough uniformity to be introduced at the rear of the telescope. The T-scanner and Quantum series may be used on almost any telescope in the correct configuration.
DayStar's unique solid spaced technology achieves narrower bandpass in one etalon and superior uniformity for more a more detailed image. Combined, these design differences accomplish the highest quality view in contrast and resolution possible, limited only by seeing or diffraction.
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DayStar ultra-narrow bandpass filters are available in half-bandwidth as wide as 10Å or as narrow as 0.2Å in the following wavelengths:
- Hydrogen Alpha
- Calcium H and K Lineand even
- Sodium D Line
- custom wavelengths available upon request.
Take a look at DayStar Filters. You will like what you see.
DayStar Filters to supply research filters for the National Solar Observatory and GONG project.
