36mm Filters

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  1. Astrodon - Gen2 E-Series LRGB Set - 36mm Unmounted Set

    $675.00
    SKU: ADO-LRGB2-E36R

    In stock

    FREE SHIPPING(48 States)
  2. Astrodon - Narrowband - 36mm Unmounted Red Continuum 5nm Filter

    $435.00
    SKU: ADO-REDCON5-36R

    Wait List - This item is temporarily out of stock.

    Narrowband (NB) filters  enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII, 501 nm), sulfur (SII, 672nm) and others.

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  3. IDAS - Hutech - 36mm Unmounted LPS Filter

    $189.00
    SKU: ASH-LPS-P2-36

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    Light pollution suppression (LPS) filters are designed to suppress the common emission lines generated by artificial lighting, yet allow the important nebula emission lines to pass, thus enhancing the contrast of astronomical objects, particularly emission nebulae.

  4. Chroma Technology - 36mm LRGB and Ha/8-36 Set - Unmounted

    $925.00
    SKU: CHR-HALRGB-36

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    Extremely durable coatings withstand humidity changes, extreme temperature fluxes and remain spectrally accurate in CWL and band pass adherence.

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  5. Chroma Technology - 36mm LRGB Set - Unmounted

    $595.00
    SKU: CHR-LRGB-36

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    Extremely durable coatings withstand humidity changes, extreme temperature fluxes and remain spectrally accurate in CWL and band pass adherence.

    FREE SHIPPING(48 States)
  6. Chroma Technology - Luminance 36mm Diameter Filter - Unmounted

    $155.00
    SKU: CHR-LUM-36

    Wait List - This item is temporarily out of stock.

    Extremely durable coatings withstand humidity changes, extreme temperature fluxes and remain spectrally accurate in CWL and band pass adherence.

  7. Chroma Technology - Red 36mm Diameter Filter - Unmounted

    $155.00
    SKU: CHR-RED-36

    Wait List - This item is temporarily out of stock.

    Extremely durable coatings withstand humidity changes, extreme temperature fluxes and remain spectrally accurate in CWL and band pass adherence.

  8. Chroma Technology - Green 36mm Diameter Filter - Unmounted

    $155.00
    SKU: CHR-GREEN-36

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    Extremely durable coatings withstand humidity changes, extreme temperature fluxes and remain spectrally accurate in CWL and band pass adherence.

  9. Chroma Technology - Blue 36mm Diameter Filter - Unmounted

    $155.00
    SKU: CHR-BLUE-36

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    Extremely durable coatings withstand humidity changes, extreme temperature fluxes and remain spectrally accurate in CWL and band pass adherence.

  10. Astronomik - ProPlanet 642 BP IR-Pass Filter - 36mm

    $89.95
    SKU: ASN-P642-36

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    ProPlanet 642 BP will give you three filters in one single product. Depending on your camera, the Astronomik ProPlanet 642 BP is a great
  11. Optolong - L-Pro Filter - 36mm Unmounted

    $168.00
    SKU: OPO-LPRO-36U

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    The Optolong L-Pro filter delivers better color balance by maximizing transmission band, permitting you to create pictures of broadband objects with emission spectral lines.

  12. Astrodon - 36mm H-Alpha 5nm Narrowband Filter - Unmounted

    $435.00
    SKU: ADO-HA5-36R

    In stock

    Bring out the faint structures In nebulae with the Astrodon H-Alpha Narrowband 36mm Unmounted Filter.
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  13. Astrodon - 36mm OIII 5nm Narrowband Filter - Unmounted

    $435.00
    SKU: ADO-OIII5-36R

    In stock

    Bring out the faint structures In nebulae with the Astrodon OIII Narrowband 31mm 5nm filter. Setting a new bar of performance and durability for imaging and research.
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  14. Astrodon - Unmounted LRGB Gen2 I-Series 36mm Filter Set

    $675.00
    SKU: ADO-LRGB2-I36R

    Wait List - This item is temporarily out of stock.

    I-Series filters are designed to approximately equalize the flux of  Interline CCD detectors (formerly Kodak), including compensation for the solar photon flux.

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  15. Optolong - SII CCD 12nm Filter - 36mm Unmounted

    $159.00
    SKU: OPO-SIICCD12-36U

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    The Optolong Sulfur II 12nm Narrowband Filter works by allowing a 12nm bandwidth of light, centered on the 672nm wavelength through, and blocking contrast-killing light pollution wavelengths from coming through.

  16. Optolong - UV-IR Cut Filter - 36mm Unmounted

    $56.00
    SKU: OPO-UVIR-36U

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    Improve image sharpness with the addition of an Optolong UV-IR Cut Filter, which blocks Ultraviolet and Infrared transmissions yet lets the visible spectral lines shine through. The IR (700nm to 1100nm) and UV (300nm - 400nm) part of the spectrum are not detectable to human eyes, however not to most CCD and other computerized cameras, which are sensitive to 300nm to 1100nm.

  17. Optolong - H-Alpha 12nm CCD Filter - 36mm Unmounted

    $169.00
    SKU: OPO-HAL12-36U

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    The Optolong H-Alpha 12nm Narrowband Filter works by permitting a 12nm light bandwidth, focused on the 656nm wavelength through, and hindering the transmission of contrast-killing light pollution wavelengths.

  18. Optolong - LRGB CCD Filter Set - 36mm Unmounted

    $299.00
    SKU: OPO-LRGB-36U

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    The Optolong LRGB Filter Set includes four 36mm unmounted filters, including Red, Green, Blue, and Luminance. They're suitable for de-bayered monochrome CCD and CMOS cameras, and function remarkably for both planetary and deep sky imaging.

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  19. Optolong - H-Alpha 7nm CCD Filter - 36mm Unmounted

    $193.00
    SKU: OPO-HAL7-36U

    Wait List - This item is temporarily out of stock.

    The Optolong H-Alpha 7nm is a very narrow emission-line filter that functions by permitting a 7nm light bandwidth, focused on the 656nm wavelength through, and obstructing the transmission of contrast-killing light-pollution wavelengths.

  20. Astronomik - SII 12nm CCD Filter - 36mm Round Unmounted

    $189.95
    SKU: ASN-SII-36

    Wait List - This item is temporarily out of stock.

    The Astronomik SII-CCD filter is a narrow-band-filter for CCD photography.

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