Irix Launches Light Pollution Filters to Clear Up Your Night Sky Photos | PetaPixel
How to Deal With Light Pollution, Part I: Filters — National Parks at Night
Review: Irix Light Pollution Filter - Say Goodnight to City Lights
New from IRIX: the Irix Edge Light Pollution filter! - Irix lenses were designed with both the effort and experience, of not only engineers, but also photographers. Swiss precision and Korean innovation