Alluxa introduces two Hydrogen Alpha (H-Alpha) Emission Line Filters that are revolutionizing the ultra-narrow optical filters market. Though these new filters have been specifically tailored to ...

The Canon EOS Ra follows in the footsteps of the company’s 20Da and 60Da: All of these cameras have a special ultraviolet-infrared (UV-IR) rejection filter that allows the transmission of ...

Alluxa, Inc., a global leader in high-performance optical coatings, filters, and thin-film deposition technologies, announces the development of two groundbreaking Hydrogen Alpha (H-alpha) Emission ...

The article details safe solar observation techniques, emphasizing the necessity of specialized filters (white-light and Hydrogen-alpha) to protect eyesight when viewing the Sun. White-light filters ...

Solar expert Dr. Ryan French explains how to safely photograph the sun and all of its stellar features with the use of cameras, lenses, telescopes and filters. When you purchase through links on our ...