Product code: Lumicon Oxygen-III deals Telescope Filter
Lumicon Oxygen-III Telescope Filter Legendary Lumicon 2” OIII Narrow Band-Pass Filter Isolates Just The Two Doubly Ionized Oxygen Lines (496 And 501nm Lines) Emitted By Diffuse, Planetary, And Faint Nebulae. Thus These Faint Objects Become Much More Visible Against The Blackened Background Of Space -Produces Near Photographic Views Of The Veil, Ring, Dumbbell, And Orion Nebula -Recommended For Telescopes 10” Or Larger In Aperture Sticker On Case Reads “Lumicon Oxygen-III Filter, For Extremely Faint Nebulae, Lumicon, 2111 Research Dr. #5, Livermore, CA, 94550” Sticker On deals Back Reads: “Nebula Line Transmission % Oxygen-III 496nm 94 Oxygen-III 501nm 95 Hydrogen-Beta 486nm” Perfect For Viewing Faint Nebulae! Comes In Original Case And In Excellent Condition! See My Other Listings For More Lumicon Filters!.
Lumicon Oxygen-III Telescope Filter Legendary Lumicon 2” OIII Narrow Band-Pass Filter Isolates Just The Two Doubly Ionized Oxygen Lines (496 And 501nm Lines) Emitted By Diffuse, Planetary, And Faint Nebulae. Thus These Faint Objects Become Much More Visible Against The Blackened Background Of Space -Produces Near Photographic Views Of The Veil, Ring, Dumbbell, And Orion Nebula -Recommended For Telescopes 10” Or Larger In Aperture Sticker On Case Reads “Lumicon Oxygen-III Filter, For Extremely Faint Nebulae, Lumicon, 2111 Research Dr. #5, Livermore, CA, 94550” Sticker On deals Back Reads: “Nebula Line Transmission % Oxygen-III 496nm 94 Oxygen-III 501nm 95 Hydrogen-Beta 486nm” Perfect For Viewing Faint Nebulae! Comes In Original Case And In Excellent Condition! See My Other Listings For More Lumicon Filters!.