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....

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...

Altair Astro 160mm TRIBAND D-ERF Solar Energy Rejection Filter Advanced Solar Protection: Designed to protect telescopes and solar imaging equipment from excessive heat build-up, specifically when using Daystar Hydrogen Alpha...

Altair Astro 1.25" Mini Solar Herschel Wedge Overview Solar Viewing with Refractors: Specifically designed for refractor telescopes, enhancing solar observation by transmitting a safe amount of light to the eyepiece...

Starwave 102 ED-R Refractor: The Ultimate Upgrade for Astronomy Enthusiasts Optical Excellence: Features a doublet ED lens with premium FPL53 ED glass for superior clarity. Enhanced with super-high transmission coating...

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%...

Explore pristine skies with Altair Wave Series 80mm F6 Super ED Triplet APO. Unmatched optical precision and advanced ED glass deliver breathtaking astrophotography. Discover the universe's wonders with this premium...

Explore Altair Wave Series 115mm F7 APO Interferometry Test Report: Unleash the Power of Green Light for Precision Analysis. Discover exceptional optics and cutting-edge technology in this detailed report. Optimize...

Discover the Altair Wave Series 102mm F7 APO telescope - Your gateway to unparalleled astrophotography and stargazing. Immerse yourself in breathtaking celestial views with its precision optics and advanced features....

Discover limitless celestial wonders with the Altair Starwave 80 EDT-R Triplet APO Travel Refractor. Perfect for stargazing enthusiasts and astrophotographers, this high-performance telescope offers crisp views and stunning images. Unlock...

Discover the universe with Altair Starwave 152 v3 Achromatic Refractor Telescope. Perfect for stargazing enthusiasts, this high-quality telescope offers exceptional clarity and performance. Unleash your passion for astronomy and explore...