Colour Magic 2-inch Duo-band C1 (Hα+OIII) Power and Saturn without significantly dimming

and Saturn without significantly dimming the image

25" mounting barrel is internally threaded to accept threaded to accept standard 1

Each has a stable and smooth base allowing fluid effect pans

exotic Lanthanum elements

Colour Magic 2-inch Duo-band C1 (Hα+OIII) Power and Saturn without significantly dimmingThe Colour Magic C1 2 inch Duo band filter is designed for advanced deep sky astrophotographers who are shooting emission nebulae, like the Orion Nebula (M42), Lagoon Nebula (M8), or the Ring Nebula (M57). Unlike most filters, which record a wide swath of the visible light spectrum, this filter only records the specific, brightest colors of glowing hydrogen gas (the H or Hydrogen alpha) in your cameras red channel, and oxygen gas (the O III or Oxygen