The E-M1 Mark III Astro Perfectly Sees Hα Radiation for Vivid Celestial Photos
OM System quietly launched the E-M1 Mark III Astro in Japan this week, a camera that is nearly the same as the base E-M1 Mark III save for the infrared (IR) cut filter that allows 100% transmittance of Hα Radiation, allowing for the capture of vivid red celestial images.