Product series:
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
Tilter Interference Eliminator T2
$ 174.00
ready for shipping in 3-5
weeks
DayStar
Imaging Flat Cap FC130
$ 139.00
ready for shipping in 24
h
DayStar
0.5x/0.33x reducer
$ 419.00
ready for shipping in 24
h
DayStar
Imaging Flat Cap FC90
$ 139.00
ready for shipping in 6-10
weeks
DayStar
Imaging Flat Cap FC190
$ 174.00
Product can be shipped as of 15.06.2026
DayStar
Tilter Interference Eliminator T2
RRP:
$ 302.00
Our price:
$ 300.00
ready for shipping in 24
h
DayStar
Imaging Flat Cap FC180
$ 151.00
ready for shipping in 6-10
weeks
DayStar
Imaging Flat Cap FC150
$ 139.00
ready for shipping in 6-10
weeks
DayStar
Imaging Flat Cap FC110
$ 139.00
ready for shipping in 24
h
DayStar
T2 adapter for QUARK filter
RRP:
$ 104.00
Our price:
$ 99.00
ready for shipping in 3-6
months
DayStar
Imaging Flat Cap FC210
$ 174.00
ready for shipping in 6-10
weeks
DayStar
Imaging Flat Cap FC170
$ 174.00
ready for shipping in 6-10
weeks
DayStar
Imaging Flat Cap FC160
$ 174.00
ready for shipping in 6-10
weeks
DayStar
Imaging Flat Cap FC154
$ 174.00
ready for shipping in 6-10
weeks
DayStar
Imaging Flat Cap FC140
$ 151.00
ready for shipping in 6-10
weeks
DayStar
Imaging Flat Cap FC100
$ 151.00
ready for shipping in 6-10
weeks
DayStar
Imaging Flat Cap FC120
$ 151.00
ready for shipping in 6-10
weeks
DayStar
Imaging Flat Cap FC104
$ 151.00
ready for shipping in 6-10
weeks