Filters

Tele Vue Bandmate Nebustar Type II Filter The Tele Vue Bandmate Nebustar Type II Filter is a unique narrowband design specifically for Tele Vue. It...

Lunt 60mm Ha Etalon Filter The Lunt LS60FHa is a 60 mm aperture (no central obstruction) integrally tuned etalon for use on a customer supplied ref...

IDAS NB1 Nebula Booster Filter H-alpha, H-beta & OIII The IDAS NB1 Nebula Booster Filter is a triple line-pass filter (H-alpha, H-beta & OI...

Chroma 5nm H-alpha Filter H-alpha filters are essential for imaging nebulae and other objects which are rich in ionized hydrogen. At 656.3nm, a na...

Astronomik Deep-Sky RGB filter Astronomik has added a new range of RGB filters to its line of World class products. The new Deep-Sky RGB filters ar...

Astronomik CLS Filter The Astronomik CLS Filter is a budget filter for visual observation, Black & White photography and CCD photographs of neb...

Daystar Flat Cap Imaging Diffuser The DayStar FlatCap is a Gaussian diffuser that is temporarily installed over the front of your telescope when t...

Baader Solar Continuum Filter 7.5nm (540nm) For Visual and Photographic Observations of the Sun Baader 7.5 nm Solar Continuum Filter, CWL 540nm A ...

Seymour Threaded Helios Solar Glass Camera Filters  If you want to capture stunning images of the sun and its features, you need a solar filter th...

Seymour Off Axis Solar Filters This premium solar filter is safe to photograph or view the sun when mounted on your telescope. It is rated ND5 so ...

Meade Full Aperture Glass Solar Filter  Safe for viewing the Sun visually Blocks 99.999% of the incoming light The perfect accessory to transfor...

IDAS 2" NBZ-II 10nm Ha & 8nm OIII Dual Band Filter The IDAS NBZ-II is a new dual band nebula booster filter - the successor to the NBZ (NBZex) ...

Shelyak High Voltage Power ConnectorThis connector is to be used with the high voltage power supply (ref. PF0082) and allows you to make a specific...

Shelyak High Voltage Power Supply High voltage power supply for spectral calibration lamps. This power supply is intended for “spectral lamps” wh...

Shelyak Spox Module SPOX lets you take control of the remote calibration module for Alpy 600, LISA and LHIRES III spectrographs (and the basic, non...

Shelyak Grating module for the UVEX SpectroscopeThe UVEX spectroscope is supplied as standard with a 600t/mm grating. You can complement this instr...

Shelyak Fiber optic connector kit for UVEX  Fiber optic kit to use a UVEX with an optical fiber (instead of a slot)This kit includes:– FC connector...

Shelyak Grating module for the Lhires IIIThe Lhires III was specially designed for High Resolution, but these complementary network modules enable ...

Shelyak LISA SpectroscopeThe LISA is the most sensitive instrument in our product range. Thanks to its internal reducer and low resolution, it is t...

Shelyak Alpy 600 & UVEX slit 10µm, 35µm, or 50µm slit, compatible with ALPY 600 and UVEX spectroscopes Technical Specifications  10µm slit 35µ...

SVBONY Color Correction Filter for Lunar and Planetary Surfaces The color correction filter blocks unfocused light in the red part of the spectrum ...

Coronado SolarMax II 40mm Double Stacking Etalon Filter This add on etalon filter reduces the normal bandwidth of a PST, SolarMax 40 telescope, or...

Lunt Internal Double Stack Module for LS100THa When you Double stack your solar telescope, you experience a truly enhanced, high definition view of...

SVBONY ADC 1.25" Atmospheric Dispersion Corrector The main function of ADC is to reduce the color change caused by atmospheric dispersion and imp...

Orion SkyGlow 1.25" Filter  Specialized astrophotography filter designed for deep-sky imaging in light polluted skies with CCD or DSLR cameras The...

Baader 4nm O-III filter CMOS-optimized (OPEN BOX)     Baader has released a whitepaper guiding you how to select the best filter for your telesco...

Lunt Double Stack Filter for LS130MT & LS152THa Telescopes Double stacking provides a truly enhanced, high definition view of the Sun’s surface...

Astronomik MC-clear Filter This Multicoated (MC) glass serves as dust protector or to keep your system parfocal with other Astronomik filters.  Thi...

Astronomik OWB-CCD Type 3 filter The OWB filter would usually not be designated as an "astronomical" filter. The intention is to enable converted D...

  Astronomik ProPlanet 807 IR-pass filter Ideal addition to the Astronomik ProPlanet IR 742 for imaging the moon and planets, with telescopes large...

Astronomik SII 6nm CCD MaxFR There is an ever growing demand for filters suitable for extremly fast optical systems like Celestron´s RASA the Epsil...