Filters

Keep your colour balance as close to real-world as possible, whilst addressing as much light pollution as possible, with no sacrifice in OD blocking, nor in transmission! Altair TRI-RGB is...

Altair Dual-Band ULTRA Oiii / Sii narrowband filter with extremely tight 4nm FWHM Bandpass. This filter is designed to be the perfect complement to the Altair 4nm Ha Oiii filter....

Anti-Halo UV IR-CUT 2″ filter Frame thickness: body 5mm+ thread 2.5mm, a total of 7.5mm Filter glass thickness: 1.85mm Transmittance: >=95% Blocking depth: OD4.0

Capture breathtaking views of nebulae with the Altair Dual-Band 4.5nm CERTIFIED CMOS Nebula Filter. This 2" filter is designed to enhance your astrophotography by isolating specific wavelengths emitted by nebulae,...

Enhance your astrophotography with the Astro Hutech IDAS NBZ filter 2". Reduce light pollution and achieve stunning, clear night sky images. Perfect for capturing the wonders of the universe. Improve...

Introducing the Player One Astronomy Anti-Halo Pro Narrowband Filter 2" – Your Gateway to Crystal Clear Celestial Views Unlock the secrets of the cosmos with the Player One Astronomy Anti-Halo...

Svbony SV240 Multi-Narrowband Filter Effective Light Pollution Blocking: Cut-off depth of ≥OD4 efficiently isolates Ha, OIII, and H-Beta wavelengths, blocking urban light pollution and background light for astrophotography in city...

Unlock the full potential of your astronomical imaging with the Altair 2" QuadBand V2 CMOS Optimised Filter. Designed to enhance your astrophotography experience, this high-performance filter delivers unparalleled versatility and...

Altair 3.5nm DualBand SII–OIII ULTRA Filter (with Individual Spectrographic Test Report) Push through city glow and bright Moon with ultra-narrow 3.5 nm FWHM passbands that isolate SII 671.6 nm and...

Altair 3.5nm DualBand Ha-OIII ULTRA Filter (with Individual Spectrographic Test Report) Beat city glow and moonlight: ultra-narrow 3.5nm FWHM windows isolate H-alpha (656.3 nm) and OIII (500.7 nm) so emission...

Enhance your astrophotography with the Astronomik MaxFR SII 6nm Narrowband Filter. Designed to isolate Sulfur II wavelength emissions, this high-performance filter effectively reduces light pollution and enhances the visibility of...

Enhance your astrophotography with the Astronomik MaxFR HA 6nm Narrowband Filter. Capture stunning, detailed images of hydrogen-alpha-rich celestial objects, while effectively blocking unwanted light pollution. This high-quality filter offers a...