Filters

Astronomik UHC-E Filter The Astronomik UHC-E filter was developed for astrophotography of emission nebulae and comets under light-polluted skies. T...

Antlia 2.5nm SHO Ultra Filter 2’’ & 36mm The Antlia SHO 2.5nm Ultra series filters are made with quartz glass and undergo precisely controlled ...

SVBONY SV160 2" SII Filter 7nm Narrow-Band for CCDs  SVBONY Sulfur II 7nm Extra Narrowband Filter transmits a 7nm bandwidth of light that is cente...

Celestron 1.25" Variable Polarizing Filter When you want to selectively reduce the brightness of celestial objects for a customized view, the Varia...

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...

Antlia H-beta and OIII Filter – 1.25″ Antlia HB-OIII filter is engineered specifically for night visual nebulae observation at a high contrast and ...

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

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

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

Celestron H-alpha H-beta OIII imaging filter, RASA 8 Bring out the best in your nebulae astroimages with the H-alpha H-beta OIII (Hα-Hβ-OIII) Imagi...

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

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...

Vaonis Filter Bundle Sale - Limited Time Only For a limited time only ! Two available filter bundles of the popular filters from Vaonis.    Vaonis ...

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

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

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...

SVBONY SV133 2" Multiple 5-Position Filter Wheel for Telescope The SVBONY Filter is suitable for 2 inch eyepieces and for viewing with single-len...

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/...

Buckeye Filter Masks for Filter Wheels These Filter Centering Masks will make it easy to center your filters in a filter wheel, and will block any ...

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...

Pegasus Astro LRGB Photographic Filter Parfocal LRGB Filters Broadband filters are parfocal which ensures that you will not have to refocus when yo...

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

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 ...

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

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

Lunt Blue Glass for Lunt Blocking Filters Replacement blue glass for Lunt blocking filters Contact Lunt for directions on how to replace the blue g...

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

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

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

Explore Scientific Nebula Filter S-II 1.25-inch 12nm High quality Explore Scientific S-II filter Absorbs all other emission lines Absorbs almost a...

Antlia ALP-T Dual band 3.5nm SII&Hb 2'' Filter Product Details The ALP-T dual band 3.5nm SII&Hb filter is a dual narrowband filter, w...

Antlia U-Venus Imaging Filter - 1.25'' Antlia Venus-U filter is designed for imaging the cloud structure of Venus and Jupiter with CCD cameras on a...