Filters

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...

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

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...

Astronomik L-2 UV-IR Blocking Filter Astronomik now offers you a range of three different UV+IR blockers as Luminance filters. The different spectr...

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 ...

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...

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...

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

Narrowband Filter 3nm H-Alpha & Oiii SV220 Ultra-narrow 3nm (H-Alpha & OIII) bandwidth, ideal for photographing emission and planetary 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...

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

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. ...

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...

Player One ERF 2″ Filter S-series for Quark Chromosphere Player One S series filter using high quality optical glass substrate and multi-layer comp...

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 ...

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...

iOptron 70mm Adjustable Solar Filter ISO-12312-2 CertifiedWhite light solar filter with SolarLite solar film from Thousand Oaks Optical which has t...

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

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 Star'ex high Resolution Optical Kit  With Star’Ex (Star’Explorer), build your first High Resolution (HR) spectrograph to observe the spectr...

Shelyak Handheld Spectroscope  This visual handheld spectroscope is a 115mm long tube with a very precise entrance slit which provides a very good ...

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

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...