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2" Filters

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  1. Levenhuk - 2" Ra H-Beta Filter

    Levenhuk - 2" Ra H-Beta Filter

    Levenhuk Ra H-Beta 2'' filter is used for observations of deep-sky objects, such as emission nebulae (H II) and others.

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    Model#: 35438
    $119.95

  2. 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
    $179.00

  3. TO - LP-3  OIII (Green Cell)  2"

    TO - LP-3 OIII (Green Cell) 2"

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    Model#: LP3-2
    $179.00

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

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

    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 ... Learn More
    Model#: LP2-2
    $179.00

  5. TO - LP-1  Broadband (Black Cell)  2"

    TO - LP-1 Broadband (Black Cell) 2"

    Enhanced deep sky viewing with the latest in multi ... Learn More
    Model#: LP1-2
    $149.00

  6. Baader Planetarium 2" Polarization Filter - Double

    Baader Planetarium - 2" Polarization Filter - Double

    The Baader 2" Polarizer can attacha a T2-15 adapter, enabling the use of 1.25" eyepiece without removing the filter while keeping the eyepiece and filter position close.

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    Model#: FPOL-2D
    $137.00

  7. Astronomik - ProPlanet 642 BP IR-Pass Filter - 2"

    Astronomik - ProPlanet 642 BP IR-Pass Filter - 2"

    your camera, the Astronomik ProPlanet 642 BP is a great tool either for daylight IR-imaging with your digital camera, or it will reduce seeing effects and enhance contrast when used for .... ... Learn More
    Model#: P642-2
    $139.95

  8. Orion 2" Hydrogen-Beta Nebula Eyepiece Filter
  9. Orion OIII Nebula Telescope Filter 2"

    Orion - OIII Nebula Telescope Filter 2"

    You can't turn up the luminosity on nebulas, but you can crank up the contrast between them and the sky to reveal more of their wondrous detail.

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    Model#: 05582
    $168.25

  10. DayStar Filters 2" UV/IR Filter

    DayStar Filters - 2" UV/IR Filter

    The DayStar 2" UV/IR Filter blocks the heat from reaching your filter and diagonal by blocking all other parts of the spectrum in the UV and IR. The filter is best for focal ratios between f/0.5 and f/50.

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    Model#: DSIUV2
    $109.00

  11. Baader Planetarium - UHC-S / L-Booster-Filter 2"

    Baader Planetarium - UHC-S / L-Booster-Filter 2"

    The Baader Planetarium UHC-S Nebula filter excels at delivering a high-contrast and natural view of emission nebula - without excessive dimming and loss of background star fields.

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    Model#: FUHC-2
    $147.00

  12. Astronomik - CLS Light Pollution Filter - CCD 2" Mounted

    Astronomik - CLS Light Pollution Filter - CCD 2" Mounted

    The Astronomik CLS CCD is suitable under light-polluted skies for DSLR Cameras, which have been remodeled for astronomical use.

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    Model#: CLSCCD-2
    $199.95

  13. Astronomik - UHC-E - Economy UHC Filter - 2" Round Mounted

    Astronomik - UHC-E - Economy UHC Filter - 2" Round Mounted

    This 2" UHC filter is made with less expensive glass than Astronomik's high-end UHC filter, but is of higher quality than other economy UHC filters on the market.

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    Model#: UHCE-2
    $129.95

  14. Astronomik - OIII Filter - 2" Round Mounted

    Astronomik - OIII Filter - 2" Round Mounted

    From the start, the Astronomik OIII filter has been very specifically designed for the visual observation of gaseous and planetary nebulae.

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    Model#: OIII-2
    $199.95

  15. Astronomik - UHC Filter - 2" Round Mounted

    Astronomik - UHC Filter - 2" Round Mounted

    The Astronomik UHC filter is for visual deep-sky observation.

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    Model#: UHC-2
    $199.95

  16. Astronomik - H-Beta Filter - 2" Round Mounted

    Astronomik - H-Beta Filter - 2" Round Mounted

    The Astronomik H-beta is a filter for visual observation, in particular with instruments of larger aperture.

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    Model#: HB-2
    $199.95

  17. FCB-2

    Baader Planetarium - Contrast Booster 2" Filter

    Much more than a simple minus-violet filter. Based on the popular Baader Moon&Skyglow filter, the Baader Contrast-Booster takes contrast enhancement and skyglow reduction to the maximum level possible from a filter

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    Model#: FCB-2
    $123.00

  18. Celestron Oxygen III (OIII) Narrowband Filter 2"

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

    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.

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    Model#: 93624
    $109.95

  19. Lumicon - 2" Lunar & Planetary Filter Set (4)

    Lumicon - 2" Lunar & Planetary Filter Set (4)

    The Lumicon 2" Lunar & Planetary Filter Set, LF5050, is an excellent, general-purpose set of four (4) of Lumicon's most popular 2" lunar and planetary filters

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    Model#: LF5050
    $125.95

  20. Lumicon - 2" Infrared Filter

    Lumicon - 2" Infrared Filter

    Lumicon Minus Violet and Infrared Blocking Filters are used primarily to "bracket" the color-corrected band of refracting telescopes.

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    Model#: LF3145

    Regular Price: $168.00

    Special Price: $119.95

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