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Barium Ferrite Technology Barium Ferrite is a type of magnetic particle which can be greatly reduced in size to improve recording density without magnetic signal loss
0 Wiring Distance Up to 1
Female hex
Close Hinged Bridge
Celestron Oxygen III (OIII) Narrowband 48mm Filter (Fits 2" Eyepieces) MCS 70186 Barium Ferrite Technology Barium FerriteBlocks Longer Wavelengths Better Highlights Nebulae The narrowband oxygen III filter yields high transmissivity through blocking unwanted longer wavelengths of light that aren't involved in your attempts to observe, giving higher contrast to your observing and photographic experiences. By isolating solely the two doubly ionized oxygen lines( 496 & 501nm lines ) emitted by planetary and emission nebulae while blocking the rest of the overall spectrum
