Filters

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

Lunt 50mm Ha Etalon Filter for LS60Tha & LS60MT - New Gen Etalon LS50FHa solar filter front-mounted non-obstructed hydrogen-alpha filter for u...

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

Optolong IR Pass685 Planetary Filter Optolong IR Pass 685nm filter is designed to block wavelengths below 670nm and can be used in IR-LRGB imaging ...

Daystar Combo Quark Chromosphere H-alpha Filter The Daystar Combo Quark Chromosphere H-alpha Filter marries high quality components of adapters, sn...

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 H-alpha 12nm MaxFR XT Clip-Filter The Astronomik H-alpha filter is ideal for imaging hydrogen nebulae. It works from both light-pollut...

QHY Minicam8 Filter Sets The miniCAM8 IMX585 filter kits are purpose-built all-in-one solutions designed for seamless integration with the camera’s...

Lunt 60mm Ha Etalon Filter LS60FHa H-Alpha Filter, 60mm front-mounted non-obstructed hydrogen-alpha filter for use on a wide range of telescopes! ...

Touptek LRGB Filters for Astrophotography Designed to overcome light pollution, the ToupTek Astro LRGB filter set empowers astrophotographers to re...

Shelyak Alpy 200 Switch Module Already own an Alpy 600, and want to switch easily from one instrument to another (Alpy 600 to Alpy 200 and ...

Sightron IR640 Pro II IR Pass Filter  Japanese-made IR-pass filter. Fully blocking below 640nm.  Steep cut-off line & high transmission rate.  ...

Antares 1.25" 5-Position Manual Filter Wheel This filter wheel will accept (5) 1.25" filters and has fittings for both 1.25" visual and M42 camer...

Antlia ALP-T Dualband 3nm SII + OIII 2'' Filters The Antlia ALP-T Dualband 3nm SII&OIII Filter is a dual narrowband filter, which lets the deep...

Daystar Combo Quark 2.8X Telecentric Barlow This  brand new QUARK optimized accessories is designed to fit our classic Combo Quark Hydrogen Alpha F...

Daystar Combo Quark 4.3X Telecentric Barlow This  brand new QUARK optimized accessories is designed to fit our classic Combo Quark Hydrogen Alpha F...

Antares Filter Neutral Density 13% - USED This filter is in excellent condition. Neutral density filters can reduce brightness across the visu...

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

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

Explore Scientific Nebula Filter UHC 1.25-inch   Explore Scientific Nebula Filter 1.25" UHC Range from 458nm to 508nm with peak at 488nm. Transmiss...

Player One UVenus 1.25″ UV-PASS Filter E-series Player One E-series is an upgrade series of S-series, using high quality optical glass substrate an...

Baader AstroSolar Spotting Scope Filter OD 5.0 (50mm - 150mm) This family of filters offers a stable and rigid solution for all spotting scopes, ca...

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 ...

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...

Astronomik MC-clear Filter The Astronomik MC-(multicoated) Clear filter serves dual purposes: as a dust protector or to maintain the optical depth ...

Astronomik SII 6nm CCD Filters This SII-CCD Filter is suitable for imaging of SII-regions from observation sites with light pollution and from dark...

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

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