Filters

Astrozap Baader Solar Material Make your own! Baader Solar Material Size Choice: 177mm x 177mm (7" x 7") 250mm x 250mm (10" x 10") 250mm x 500...

Astrozap Baader Solar Filter With the Astrozap Baader Solar Filter, the Sun appears in neutral white. Other films and some glass filters produce a...

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

Chroma 3nm OIII Filter The Chroma 3nm OIII Filter isolates the 500.7nm primary emission line of doubly ionized oxygen. After H-alpha, this is the n...

Chroma 3nm H-alpha Filter The Chroma 3nm H-alpha Filter is essential for imaging nebulae and other objects which are rich in ionized hydrogen. At 6...

Baader Solar Continuum Filter 7.5nm (540nm) For Visual and Photographic Observations of the Sun Baader 7.5 nm Solar Continuum Filter, CWL 540nm A ...

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...

Shelyak SOL’EX OPTICAL KIT  Sol’Ex optical kit: all the optical elements to make your own Sol’Ex instrument, and make new images of the Sun. ...

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 SV133 Filters Wheel 1.25'' Multiple 5-Position The SVBONY SV133 is suitable for 1.25-inch eyepieces and for viewing with a T2-fitted singl...

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...

Player One Photosphere 7.5nm 1.25″ Filter E-series  Player One E-series is an upgrade series of S-series, using high quality optical glass substrat...

Shelyak Star Analyser 100 The Star Analyser 100 is a high efficiency 100 lines/mm transmission diffraction grating, blazed in the first order. It i...

Antlia ALP-T Dual Band 5nm Ha+OIII and SII+Hb Filters Package The Antlia ALP-T dual band 5nm filter is a dual line-pass filter which was designed t...

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

Antlia IR Pass 685nm planetary 1.25" filter The Antlia IR Pass 685nm filter is an absorptive filter that allows infrared light with wavelengths of ...

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 ...

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

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

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...

Baader IR-Pass Filter (685 nm) Baader IR-Pass Filter HWB 685nm Reduces the effect of seeing resulting in a much sharper image. Ideal for imaging a...

Baader Contrast Booster Filter Eliminates the color error of economy refractors. Clearly puts the real quality of the lens on display. Removes the...

Optolong L-Para 10nm Dual Narrowband Light Pollution Filter Why do we make a L-Para filter with a dual band of 10nm? In Chinese culture, the number...

Antlia ALP-T Dual Band Ha&OIII 3nm + SII&Hb 3.5nm 2" Filter Set Ha&OIII 3nm The Antlia ALP-T Dualband 3nm Ha&OIII Filter is a dual ...

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...

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

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

SVBONY ADC 1.25" Atmospheric Dispersion Corrector The main function of ADC is to reduce the color change caused by atmospheric dispersion and imp...

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

Astronomik OIII Visual Filter From the start, the Astronomik OIII Visual Filter has been very specifically designed for the visual observation of g...

SVBONY 1.25''/2'' LRGB Filters Kit for Astronomy Photography The perfect LRGB Filters set for the Svbony 1.25/2inch Eyepieces. Green, red, blue, an...

SVBONY SV183 IR Pass 685nm Filter for Planetary Photography SV183 IR pass filter; Sufficient reduction of seeing effects; heightened contrast; The...

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

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 ...

Lunt Internal Double Stack Module for LS80THa Double stacking provides a truly enhanced, high definition view of the Sun’s surface details. Notably...