Filters

Lunt Internal Double Stack Module for LS80THa Double stacking provides a truly enhanced, high definition view of the Sun’s surface details. Notably...

Antlia SHO 7nm Prime Narrowband Pro Filters Antlia SHO Prime narrowband filter optimizes the FWHM (full width half maximum) to 7nm bandpass. The su...

ZWO IR 850nm Pass Filter 1.25" The ZWO IR 850nm Pass Filter 1.25″ suitable for IR sensitive cameras. The transmission properties of the IR 850nm Pa...

Antares 1.25" Variable Neutral Density Filter 3-40% Neutral density filters can reduce brightness across the visual spectrum without losing resolut...

Optolong UHC Light Pollution Filter The UHC (Ultra High Contrast) broadband filter is designed to improve the visibility of various deepsky objects...

Lunt 50mm Compact Ha Etalon Filter The specially-designed Lunt Solar Systems LS50C is a compact double stack filter. Notably, it was made especiall...

Daystar Quark Gemini Chromosphere / Prominence Switchable H-alpha Filter The Daystar Quark Gemini brings the best contains both Prominence and Chro...

Chroma LRGB Filter Set Chroma LRGB Filter Set includes four individual filters: luminance, red, green and blue. They are available in multiple size...

Chroma 3nm SII Filter The Chroma 3nm SII Filter isolates the spectral emission of singly ionized sulfur atoms, also common in nebulae. Emission is ...

Chroma 3nm OIII Filter The Chroma 3nm OIII Filter isolates the 500.7nm primary emission line of doubly ionized oxygen. After H-alpha, this is the n...

Chroma 3nm H-alpha Filter The Chroma 3nm H-alpha Filter is essential for imaging nebulae and other objects which are rich in ionized hydrogen. At 6...

Shelyak Alpy 200 Spectroscope The little brother of the ALPY 600 for spectra of very faint objects with a resolution of around R=130 ! The Al...

Seymour Hyperion Binocular Solar Filters (Pair) This pair of premium solar filters are safe for solar viewing when mounted on binoculars. They are ...

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

Anti-Halo PRO Dual-Band 2″ Ha+OIII filter Anti-Halo PRO Dual-Band 2″ Ha+OIII filter Frame thickness: body 5mm+ thread 2.5mm, a total of 7.5mm F...

Optolong L-eXtreme F2 Fast Optics Dual Narrowband 2" Optolong L-eXtreme F2 is a dual-band (500.7 nm and 656.28 nm, FWHM=7 nm) narrowband pass filt...

Astronomik ProPlanet 742 IR-pass filter Ideal filters for the reception of the moon and planets, notably Mars, with telescopes from 6" (150mm) aper...

Astronomik ProPlanet 642 BP IR-pass filter  The Astronomik ProPlanet 642 BP is the latest addition to the family of Astronomik ProPlanet IR-pass f...

Astronomik L-3 UV-IR Blocking Filter Astronomik now offers you a range of three different UV+IR blockers as Luminance filters. The different spectr...

IDAS LPS-C1 M48 Filter (2") (LPS) Light Pollution Suppression Filter Effectively suppressing white LED sky glow Maintains the good color balance...

Astronomik Oiii 6nm CCD Filter The OIII-CCD Filter is suitable for imaging of OIII nebulas from observation sites with light pollution and from dar...

Shelyak Power supply 12V/3A  12V (3A) power supply for video camera and our electronic modules (Lhires III, LISA calibration module, Alpy calibrati...

Shelyak UVEZ Motors     The UVEX is now motorized, and can therefore be used remotely. Motorization:Select the central wavelength of your spectra, ...

Shelyak Star'ex high resolution optical kit  With Star’Ex (Star’Explorer), create your first High Resolution (HR) spectrograph yourself to observe ...

Shelyak LHIRES III The Lhires III is THE standard High Resolution reference spectroscopy.Gain access to the smallest details in the spectral lines ...

Antlia LRGBR+ Dark series filters The Antlia LRGBR+ Dark series filters are designed with a full spectrum curve from 390nm to 1000nm, making it ...

Lunt Double Stack Filter for Lunt 80 mm & 100 mm Universal Telescopes Double stacking provides a truly enhanced, high definition view of the Su...

Lunt High Resolution H-alpha Filter for DS Modules Available Options: HRG for DSII Unit, LS80THa HRG for DSII Unit, LS100THa HRG for SFPT, LS80MT/...

Player One ERF 1.25″ Filter S-series for Quark Chromosphere Player One S series filter using high quality optical glass substrate and multi-layer c...

Shelyak Star Analyser 100 The Star Analyser 100 is a high efficiency 100 lines/mm transmission diffraction grating, blazed in the first order. It i...

Lunt 40mm Front Mounted Double Stack Filter It’s finally available! The Lunt Solar 40mm Double Stack Hydrogen-alpha Filter. LS40FHa solar filter f...

Antlia Imaging Herschel Wedge with 35mm Prism and 1.25'' Cak 3nm Solar Filter The Antlia Solar Wedge (Herschel Wedge design) replaces the standard ...

Celestron 1.25" Neutral Density Moon Filter The Celestron Neutral Density Moon Filter attaches to a 1.25” eyepiece to lower the amount of light ent...

Astrozap Binocular Glass Solar Filter The Astrozap Binocular Glass Solar Filter come in a pair for binoculars. The clear aperture is made with high...

Antlia IR Pass 685nm planetary 1.25" filter The Antlia IR Pass 850nm filter is an absorptive filter that allows infrared light with wavelengths of ...