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50mm Filters

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  1. IDAS - Hutech - 50mm Unmounted LPS Filter

    IDAS - Hutech - 50mm Unmounted LPS Filter

    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.

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    Model#: LPS-P2-50
    $189.00

  2. Custom Scientific "B" Standard Grade Blue Filter 50mm Round Unmounted

    Custom Scientific - "B" Standard Grade Blue Filter - 50mm Round Unmounted

    With over 20 years in the business, Custom Scientific UBVRI filters are popular photometric tools that have built in Infrared blocking for more efficient and higher quality CCD imaging.

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    FREE SHIPPING
    (48 States)
    Model#: CU-50B
    $295.00

  3. Custom Scientific - "I" Standard Grade IR Filter - 50mm Round Unmounted

    Custom Scientific - "I" Standard Grade IR Filter - 50mm Round Unmounted

    With over 20 years in the business, Custom Scientific UBVRI filters are popular photometric tools that have built in Infrared blocking for more efficient and higher quality CCD imaging.

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    (48 States)
    Model#: CU-50I
    $295.00

  4. Custom Scientific "V" Standard Grade Filter 50mm Round Unmounted

    Custom Scientific - "V" Standard Grade Filter - 50mm Round Unmounted

    With over 20 years in the business, Custom Scientific UBVRI filters are popular photometric tools that have built in Infrared blocking for more efficient and higher quality CCD imaging.

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    (48 States)
    Model#: CU-50V
    $295.00

  5. Custom Scientific "R" Standard Grade Red Filter 50mm Round Unmounted

    Custom Scientific - "R" Standard Grade Red Filter - 50mm Round Unmounted

    With over 20 years in the business, Custom Scientific UBVRI filters are popular photometric tools that have built in Infrared blocking for more efficient and higher quality CCD imaging.

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    (48 States)
    Model#: CU-50R
    $295.00

  6. Custom Scientific "U" Standard Grade Filter 50mm Round Unmountable

    Custom Scientific - "U" Standard Grade Filter - 50mm Round Unmountable

    With over 20 years in the business, Custom Scientific UBVRI filters are popular photometric tools that have built in Infrared blocking for more efficient and higher quality CCD imaging.

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    (48 States)
    Model#: CU-50U
    $295.00

  7. Chroma Technology - Luminance 50mm x 50mm Diameter Filter - Square

    Chroma Technology - Luminance 50mm x 50mm Diameter Filter - Square

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

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    (48 States)
    Model#: Lum-50S
    $285.00

  8. Chroma filters

    Chroma Technology - Luminance 50mm Diameter Filter - Unmounted

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

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    FREE SHIPPING
    (48 States)
    Model#: Lum-50
    $230.00

  9. Chroma filters

    Chroma Technology - Red 50mm Diameter Filter - Unmounted

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

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    (48 States)
    Model#: Red-50
    $230.00

  10. Chroma Technology - Green 50mm Diameter Filter - Unmounted

    Chroma Technology - Green 50mm Diameter Filter - Unmounted

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

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    FREE SHIPPING
    (48 States)
    Model#: Green-50
    $230.00

  11. Chroma filters

    Chroma Technology - Blue 50mm Diameter Filter - Unmounted

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

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    FREE SHIPPING
    (48 States)
    Model#: Blue-50
    $230.00

  12. Chroma filters

    Chroma Technology - Blue 50mm x 50mm Diameter Filter - Square

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

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    FREE SHIPPING
    (48 States)
    Model#: Blue-50S
    $285.00

  13. Chroma filters

    Chroma Technology - Red 50mm x 50mm Diameter Filter - Square

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

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    FREE SHIPPING
    (48 States)
    Model#: Red-50S
    $285.00

  14. Chroma Technology - Green 50mm x 50mm Diameter Filter - Square

    Chroma Technology - Green 50mm x 50mm Diameter Filter - Square

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

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    FREE SHIPPING
    (48 States)
    Model#: Green-50S
    $285.00

  15. Custom Scientific H-Alpha 656.3/4.5 nm Filter 50mm Round Unmounted

    Custom Scientific - H-Alpha 656.3/4.5 nm Filter - 50mm Round Unmounted

    The Custom Scientific H-Alpha 656.3/4.5 nanometer filter is a great accessory for imaging emission nebulae which emit large amounts of the H-Alpha spectral line at a 4.5 nanometer bandpass due to excited hydrogen atoms.

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    Model#: CU-HA45NM-50
    Call for pricing.

    Out of stock

  16. Custom Scientific - H-Alpha 656.3/4.5 nm Filter - 50mm x 50mm Square

    Custom Scientific - H-Alpha 656.3/4.5 nm Filter - 50mm x 50mm Square

    The Custom Scientific H-Alpha 656.3/4.5 nanometer filter is a great accessory for imaging emission nebulae which emit large amounts of the H-Alpha spectral line at a 4.5 nanometer bandpass due to excited hydrogen atoms.

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    Model#: CU-HA45NM-50S
    Call for pricing.

    Out of stock

  17. Custom Scientific Luminance (IR-Blocked Clear) Filter - 50mm Round Unmounted

    Custom Scientific - Luminance (IR-Blocked Clear) Filter - 50mm Round Unmounted

    The Custom Scientific Luminance Clear assists in CCD imaging because it preserves the visual spectral wavelengths while suppressing the extra Infrared wavelengths picked up by CCD sensors that the human eye can't detect.

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    Model#: CU-LUM-50
    $150.00

  18. Optolong - SII CCD 12nm Filter - 50mm Unmounted

    Optolong - SII CCD 12nm Filter - 50mm Unmounted

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    FREE SHIPPING
    (48 States)
    Model#: SIICCD12-50U
    $209.00

  19. Optolong - SII CCD 6.5nm Filter - 50mm Square Unmounted

    Optolong - SII CCD 6.5nm Filter - 50mm Square Unmounted

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    FREE SHIPPING
    (48 States)
    Model#: SIICCD65-50SQ
    $299.00

  20. Optolong - OIII CCD 6.5nm Filter - 50mm Square Unmounted

    Optolong - OIII CCD 6.5nm Filter - 50mm Square Unmounted

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    FREE SHIPPING
    (48 States)
    Model#: OIIICCD65-50SQ
    $299.00

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