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H-Beta Filters

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  1. Lumicon - 1.25" Hydrogen - Beta Filter

    Lumicon - 1.25" Hydrogen - Beta Filter

    Also known as the Horsehead Nebula filter, the Lumicon 1.25in Hydrogen-Beta Filter isolates only the hydrogen-beta line of the spectrum (486nm) in a narrow pass-band just 9 nm wide, providing maximum contrast ... Learn More
    Model#: LF3055

    In Stock

    $149.95

  2. Lumicon - 2"  H-Beta Filter

    Lumicon - 2" H-Beta Filter

    Also known as the Horsehead Nebula filter, the Lumicon 2" Hydrogen-Beta Filter isolates only the hydrogen-beta line of the spectrum (486nm) in a narrow pass-band just 9 nm wide, providing maximum contrast.

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    Model#: LF3060

    Available - Ships in 2-4 Days

    $299.95

  3. Lumicon - Cassegrain H- Beta Filter

    Lumicon - Cassegrain H- Beta Filter

    Also known as the Horsehead Nebula filter, the Lumicon Cassegrain Hydrogen-Beta Filter isolates only the hydrogen-beta line of the spectrum (486nm) in a narrow pass-band just 9 nm wide, providing maximum contrast ... Learn More
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    (48 States)
    Model#: LF3065

    Available - Ships in 2-4 Days

    $324.95

  4. TO - LP-4  H-Beta (Red Cell)  1.25"

    TO - LP-4 H-Beta (Red Cell) 1.25"

    Thousand Oaks Optical LP-4 H-Beta (Red Cell) 1.25" FilterEnhance your deep sky viewing with the latest in multi-layer coating technology. Thousand Oaks filters transmit desired wave-lengths in a very steep slope rather than ... Learn More
    Model#: LP4-1.25

    Available - Ships in 2-4 Days

    $89.00

  5. TO - LP-4  H-Beta (Red Cell)  2"

    TO - LP-4 H-Beta (Red Cell) 2"

    LP-4 H-Beta (Red Cell) 2" FilterEnhance your deep sky viewing with the latest in multi-layer coating technology. Thousand Oaks filters transmit desired wave-lengths in a very steep slope rather than ... Learn More
    Model#: LP4-2

    Available - Ships in 2-4 Days

    $179.00

  6. Orion 2" Hydrogen-Beta Nebula Eyepiece Filter

    Orion - 2" Hydrogen-Beta Nebula Eyepiece Filter

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    Model#: ORI-05584

    In Stock

    $139.99

  7. Optolong H-Beta 25nm Filter 1.25" Mounted

    Optolong - H-Beta 25nm Filter - 1.25" Mounted

    This Optolong H-Beta filter has a FWHM of 25nm, making it more suitable for visual observations of the Horsehead, California, and Cocoon nebulae. The filters transmits a 25nm transfer speed of light that is focused at 486nm and accuracy blocks outside wavelengths of light that cause light pollution (both artificial and natural).

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    Model#: HBTA25-125

    Available - Ships in 2-4 Days

    $90.00

  8. Optolong H-Beta 25nm Filter - 2" Mounted

    Optolong - H-Beta 25nm Filter - 2" Mounted

    This Optolong H-Beta filter has a FWHM of 25nm, making it more suitable for visual observations of the Horsehead, California, and Cocoon nebulae. The filters transmits a 25nm transfer speed of light that is focused at 486nm and accuracy blocks outside wavelengths of light that cause light pollution (both artificial and natural).

    ...
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    Model#: HBTA25-200

    Available - Ships in 2-4 Days

    $139.00

  9. Optolong H-Beta 12nm Filter - 1.25" Mounted

    Optolong - H-Beta 12nm Filter - 1.25" Mounted

    The Optolong H-Beta 12nm Filter permits you to visually see the ever-prevalent yet subtle Horsehead Nebula with vast opening telescopes under dim skies, and can likewise be utilized to picture the Horsehead and other nebulae radiate light at 486nm, such as but not limited to, the California and Cocoon nebulae.

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    Model#: HBTA12-125

    Available - Ships in 2-4 Days

    $119.00

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