Narrowband Visual Filters

14 Item(s)
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  1. DGM Optics - 1.25" Narrow Pass Band (NPB) Nebula Filter

    $75.00
    SKU: DGM-NPB-1.25

    Wait Time is 3-5 Days

    The NPB is the ONE filter to have if you have just one, and now regarded as the top narrowband  (UHC type) filter in the world. Judged by renown astro-equipment author Phil Harrington as the best of nine leading competitors in the Astronomy Magazine review "Secret Weapons" (August 2005).

  2. DGM Optics - 2" Narrow Pass Band (NPB) Nebula Filter

    $150.00
    SKU: DGM-NPB-2

    Wait Time is 3-5 Days

    The NPB is the ONE filter to have if you have just one, and now regarded as the top narrowband  (UHC type) filter in the world. Judged by renown astro-equipment author Phil Harrington as the best of nine leading competitors in the Astronomy Magazine review "Secret Weapons" (August 2005).

  3. TO - LP-3 OIII (Green Cell) 1.25"

    $89.00
    SKU: LP3-1.25

    Wait Time is 3-5 Days

  4. TO - LP-2 Narrowband (Blue Cell) 2"

    $179.00
    SKU: LP2-2

    Wait Time is 3-5 Days

    LP-2 Narrowband (Blue 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
  5. TO - LP-2 Narrowband (Blue Cell) 1.25"

    $89.00
    SKU: LP2-1.25

    Wait Time is 3-5 Days

    Thousand Oaks Optical LP-2 Narrowband (Blue 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
  6. Lumicon - Comet Filter - 2"

    $199.95
    SKU: LMC-LF3075

    In stock

    The Lumicon 2" Comet Filter, a narrow band-pass filter (25nm), isolates the 501nm OIII line and both C2 lines at 511nm and 514nm.

  7. Lumicon - Comet Filter - 1.25"

    $99.95
    SKU: LMC-LF3070

    Wait Time is 3-5 Days

    The Lumicon 1.25" Comet Filter, a narrow band-pass filter (25nm), isolates the 501nm OIII line and both C2 lines at 511nm and 514nm.

  8. Lumicon - Oxygen III Filter - 2"

    $199.95
    SKU: LMC-LF3045

    In stock

    The legendary Lumicon 2" OIII narrow band-pass filter isolates just the two doubly ionized oxygen lines

  9. Celestron - Oxygen III (OIII) Narrowband Filter - 2"

    $109.95
    SKU: CEL-93624

    In stock

    Each filter has an ultra hard, vacuum-deposited coating carefully designed to block all of the visual spectrum ranging from 400 to 700 nm This eliminates the un-natural colored halos surrounding bright stars common with O III filters of less sophisticated coating technology.

  10. Celestron - Oxygen III (OIII) Narrowband Filter - 1.25"

    $79.95
    SKU: CEL-93623

    In stock

    The 1-1/4" OIII narrowband filter isolates just the two doubly-ionized oxygen lines (496 and 501nm lines) emitted by planetary and emission nebulae, while blocking the rest of the overall spectrum of light.

  11. Optec - Optec Deep Sky Filter - 2" Mounted

    $75.00
    SKU: OPT-17266

    Wait Time is 3-5 Days

    Deep Sky - Blocks the UV, violet and sodium light completely. The filter passes the important nebulae emission features with +90% transmission
  12. Lumicon - Comet Filter - Visual Back

    $199.95
    SKU: LMC-LF3080

    Wait Time is 3-5 Days

    The Lumicon Cassegrain Comet Filter, a narrow band-pass filter (25nm), isolates the 501nm OIII line and both C2 lines at 511nm and 514nm
  13. Lumicon - Night Sky H-Alpha Filter - 82mm

    $449.95
    SKU: LMC-LF3115

    Wait Time is 3-5 Days

    Lumicon's Night Sky Hydrogen-Alpha Filters are long-pass filters with a 50% transition from blocking to passing at about 640nm.

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  14. Lumicon - Night Sky H-Alpha Filter - 77mm

    $400.95
    SKU: LMC-LF3110

    Wait Time is 3-5 Days

    Lumicon's Night Sky Hydrogen-Alpha Filters are long-pass filters with a 50% transition from blocking to passing at about 640nm.

    FREE SHIPPING(48 States)
14 Item(s)
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