Altair Astro

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...

Get the Bundle with 2 filters HERE Advanced Dual-Band Filter Technology: The Altair Dual-Band ULTRA Sii/Oii is a cutting-edge narrowband filter with a tight 6nm FWHM Bandpass, designed for enhancing...

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,...

Get the Bundle with 2 filters HERE Advanced Dual-Band Filter Technology: The Altair Dual-Band ULTRA Sii/Oii is a cutting-edge narrowband filter with a tight 6nm FWHM Bandpass, designed for enhancing...

Get the Bundle with 2 filters HERE Advanced Dual-Band Filter Technology: The Altair Dual-Band ULTRA Sii/Oii is a cutting-edge narrowband filter with a tight 6nm FWHM Bandpass, designed for enhancing...

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...

Get the Bundle with 2 filters HERE Advanced Dual-Band Filter Technology: The Altair Dual-Band ULTRA Sii/Oii is a cutting-edge narrowband filter with a tight 6nm FWHM Bandpass, designed for enhancing...

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...

IMPORTANT SAFETY INFORMATION: DO NOT USE THIS FILTER FOR DIRECT SOLAR OBSERVATION! Must be used together with a professional solar filter film or glass type, or Hershel Wedge with Max. 0.024%...

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...

IMPORTANT SAFETY INFORMATION: DO NOT USE THIS FILTER FOR DIRECT SOLAR OBSERVATION! Must be used together with a professional solar filter film or glass type, or Hershel Wedge with Max. 0.024%...

Another first for solar astronomy, the Altair CaK 2nm Solar filter enhances finer details in the solar photosphere. Contrast is enhanced, giving improved visibility of faculae against the photosphere, and between umbral...