Filters

ASTF: AstroSolar Telescope Filter OD 5.0 (80mm - 280mm) ASTF – Baader Solar Filter for all high-end Telescopes (Refractors, Reflectors, CATs) This...

Baader AstroSolar Photo Film OD 3.8 AstroSolar Photo Film (imaging only), telescope quality, Optical Density OD = 3.8 Digital solar imaging at hig...

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...

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 ...

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

ZWO 7nm SHO Narrowband Filters (Ha, OIII & SII) The ZWO SHO Narrowband Filter Set contains one H-alpha, one OIII and one SII filter. Use it for...

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...

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

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 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...

Baader 6.5nm Narrowband Filters – CMOS-optimized (H-alpha, OIII, SII) Baader H-alpha / O-III / S-II Narrowband Filter Set - Precision Grade 6.5 nm...

Baader 3.5 / 4nm f/2 Ultra-Highspeed Filters – CMOS-optimized (H-alpha / O-III / S-II) Baader has released a whitepaper guiding you how to select t...

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/...

Celestron EclipSmart Solar Filter for PowerSeeker 70AZ/EQ and Travel Scope 70 Telescopes ISO-CERTIFIED SOLAR TELESCOPE FILTER: Certified to compl...

Lunt Internal Double Stack Module for LS80THa SFPT – Internal Double Stack Module for Lunt 80 mm & 100 mm Universal Day and Night Telescopes No...

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...