Filters

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...

Altair DualBand ULTRA 3.5nm Filter 2" COMBO (Ha+OIII + SII+OIII) This combo is basically the cheat code for SHO-style nebula imaging with a color (OSC) camera. You get two separate...

Altair Astro 90mm Aperture TRIBAND D-ERF WITH COVER Comprehensive Solar Protection: Specifically designed to safeguard your telescope and solar imaging equipment from excessive heat during solar observation with Daystar Hydrogen...

The Altair 1.25" Solar Continuum filter Enhances sunspots, granulation, and fine photosphere detail. For use with Baader Solar Filter or Herschel Wedge. IMPORTANT SAFETY INFORMATION: DO NOT USE THIS FILTER...

Enhance your astrophotography with Altair SkyTech LPRO-MAX 1.25" CCD Filter. Experience improved image quality and reduced light pollution, capturing stunning celestial details. Upgrade your gear today for unforgettable stargazing adventures....

Enhance your astrophotography with the Altair SkyTech CLS-CCD Canon EOS Clip Filter. Designed for Canon EOS cameras, this premium clip filter minimizes light pollution, allowing you to capture stunning, clear...

Enhance your astronomical observations with the Altair TriBand 1.85mm Filter, conveniently mounted in a 1.25 inch size. Achieve superior clarity and contrast while exploring the cosmos. Unlock the wonders of...

The Altair 1.25" Solar Continuum filter enhances sunspots, granulation, and fine photosphere detail.For use with a prefilter such as the Baader Solar Film filters or Herschel Wedge. Version 3 coating...

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 nebula imaging. Effective Light Pollution Suppression: Incorporates...

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 nebula imaging. Effective Light Pollution Suppression: Incorporates...

Altair Astro 115mm Aperture TRIBAND D-ERF (120mm Filter with Housing Cell) Comprehensive Solar Protection: Specifically designed to safeguard your telescope and solar imaging equipment from excessive heat during solar observation...

Altair 115mm Aperture Hydrogen Alpha D-ERF Solar Filter Advanced Solar Protection: The Altair Dichroic Solar Energy Rejection Filter (D-ERF) is designed to protect telescopes and solar imaging equipment from excessive...