Filters

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...

SVBONY SV115 1.25 inch OIII Filter Narrowband 18nm, Cuts Light Pollution  The 1.25" O-III filter useful for large aperture telescopes through wh...

SVBONY SV132 1.25'' H-Beta 25nm Light Pollution Filter SV132 H-Beta eyepiece filter makes it possible to view the elusive Horsehead, California, a...

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/...

Shelyak Alpy 600 The Alpy 600 and Demetra software (developed by Shelyak Instrument for the ALPY 600 spectrograph) will allow you to produce spectr...

Celestron 1.25" UHC/LPR Filter Our 1-1/4" Light Pollution Reduction (LPR) Filters are designed to selectively reduce the transmission of certain wa...

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 2" UHC/LPR Filter Our 2" Light Pollution Reduction (LPR) Filters are designed to selectively reduce the transmission of certain wavelengt...

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...

Askar Color Magic 3nm Deep-Sky Narrowband filter For all astrophotography enthusiasts, filters are one of the indispensable accessories to achieve ...

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

Antlia CaK 3nm 393.3nm filter The Antlia Solar Wedge prism and internal CaK solar filter are made of heat resistant double-polished substrate. Antl...

ZWO Methane CH4 Filter 1.25" The ZWO Methane CH4 Filter 1.25″ is a special filter for photographic use. Its FWHM is 20 nm which is suitable for mos...

Antares 2" Neutral Density Filter Neutral density filters can reduce brightness across the visual spectrum without losing resolution, enhancing lun...

ZWO AR Protective Window for ASI ZWO D21 AR protect window Technical Parameter: Diameter: 21mm Type: AR window Thickness: 1.1mm Flatness: 1/4 λ Pro...

Tele Vue Bandmate OIII Filter The Tele Vue Bandmate OIII Filter passes light from doubly ionized oxygen atoms. As such, it is great for viewing pla...

Lunt 50mm Ha Etalon Filter for LS60Tha & LS60MT LS50FHa solar filter front-mounted non-obstructed hydrogen-alpha filter for use on Lunt ED Tel...

Optolong Moon & Skyglow Filter Optolong Moon & Skyglow filter is designed to darken the background sky by blocking light transmission from ...

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...

IDAS NGS1 / LPS-D3 filter IDAS LPS-D3(formerly NGS1) filters enhance the contrast of astronomical emission nebulae against a sky with both man-made...

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 L-1 UV-IR Blocking Filter Astronomik now offers you a range of three different UV+IR blockers as Luminance filters. The different spectr...

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 Blue Type 2c Filter Our filter set especially designed for astrophotography with CCD cameras. These filters provide a natural color repr...

Antares Filter Neutral Density 25% Neutral density filters can reduce brightness across the visual spectrum without losing resolution, enhanci...

Baader UBVRI Bessel Filters V-Filter – Photometric Baader Bessel-UBVRI Bandpass Filter Set, suitable from f/15 to f/1.8 Classic photometric filter...

Astronomy Plus 1.25" Lunar and Planetary Color Filter Set Color filters are valuable tools in astronomy for enhancing the details and contrast of c...

Astronomy Plus Neutral Density 1.25" Filter Set Neutral density filters are an essential tool for astronomers and astrophotographers, especially wh...

Explore Scientific Nebula Filter H-Beta 2.0-inch   Explore Scientific Nebula Filter 1.25" H-Beta Range from 478nm to 496nm with peak at 489nm. Tran...

Explore Scientific Nebula Filter CLS 2.0-inch   Explore Scientific Nebula Filter 1.25" CLS Range from 436nm to 536nm with peak at 488nm. Transmissi...

Explore Scientific Nebula Filter UHC 2.0-inch   Explore Scientific Nebula Filter 2.0" UHC Range from 458nm to 508nm with peak at 488nm. Transmissio...

Explore Scientific Nebula Filter Oxygen III 2.0-inch   Explore Scientific Nebula Filter 1.25" O-III Range from 483nm to 511nm with peak at 496nm. T...

Explore Scientific Nebula Filter H-Alpha 2-inch 7nm   High quality Explore Scientific H-Alpha filter Lets only the emission lines of hydrogen "thr...