
More than 40 years ago, the Daystar founder Del Woods began manufacturing narrow band H-alpha filters for solar observation. These filters are used by both amateurs and universities alike, and have even flown into space aboard the space shuttle.
In 2014, DayStar introduced a new H-alpha filter under the trading name QUARK. The QUARK revolutionised solar observation because it offers very high contrast at a reasonable price, and can be used with existing refractors.
The QUARK module is now also available for other wavelengths, and DayStar also offers it pre-installed into refractors.

DayStar
0.5x/0.33x reducer
$ 418.00
ready for shipping in 3-6
months

DayStar
Interference Eliminator T2
$ 302.00
ready for shipping in 3-6
months

DayStar
C-Mount adapter for QUARK filter
$ 104.00
ready for shipping in 3-6
months

DayStar
T2 adapter for QUARK filter
$ 104.00
ready for shipping in 3-6
months

DayStar
Imaging Flat Cap FC154
$ 173.00
ready for shipping in 6-10
weeks

DayStar
Imaging Flat Cap FC160
$ 173.00
ready for shipping in 6-10
weeks

DayStar
Imaging Flat Cap FC170
$ 173.00
ready for shipping in 6-10
weeks

DayStar
Imaging Flat Cap FC180
$ 173.00
ready for shipping in 6-10
weeks

DayStar
Imaging Flat Cap FC190
$ 173.00
ready for shipping in 6-10
weeks

DayStar
Imaging Flat Cap FC150
$ 148.00
ready for shipping in 6-10
weeks

DayStar
Imaging Flat Cap FC140
$ 148.00
ready for shipping in 6-10
weeks

DayStar
Imaging Flat Cap FC130
$ 148.00
ready for shipping in 6-10
weeks

DayStar
Imaging Flat Cap FC120
$ 148.00
ready for shipping in 6-10
weeks

DayStar
Imaging Flat Cap FC110
$ 148.00
ready for shipping in 6-10
weeks

DayStar
Imaging Flat Cap FC104
$ 148.00
ready for shipping in 6-10
weeks

DayStar
Imaging Flat Cap FC100
$ 148.00
ready for shipping in 6-10
weeks

DayStar
Imaging Flat Cap FC90
$ 148.00
ready for shipping in 6-10
weeks

DayStar
Imaging Flat Cap FC210
$ 173.00
ready for shipping in 6-10
weeks