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  1. 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.

  2. 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.

  3. Custom Scientific Luminance (IR-Blocked Clear) Filter 1.25" Round Mounted

    Custom Scientific - Luminance (IR-Blocked Clear) Filter - 1.25" Round Mounted

    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-125
    $95.00

  4. 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

  5. Custom Scientific Luminance (IR-Blocked Clear) Filter 50mm x 50mm Square

    Custom Scientific - Luminance (IR-Blocked Clear) Filter - 50mm x 50mm Square

    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-50S
    $195.00

  6. Custom Scientific UBVRI 1.25" Mounted Round Filter Set

    Custom Scientific - UBVRI 1.25" Mounted Round Filter Set

    Custom Scientific UBVRI filters have been used in institutions and observatories around the world such as Kitt Peak, Mauna Kea, and the CTIO/Chile.

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    FREE SHIPPING
    (48 States)
    Model#: CU-UBVRI125-SET
    $875.00

  7. Baader Planetarium - f/2 Highspeed-Filter S-II 2" (with LPFC)

    Baader Planetarium - f/2 Highspeed-Filter S-II 2" (with LPFC)

    Baader’s new ‘High Speed’ Narrowband CCD Filters come in both 1.25” and 2” diameter mounted sizes, in H-alpha, O-III, and S-II, but with an extra twist when compared to their normal filters.

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    (48 States)
    Model#: FSIIHS-2
    $352.00

  8. Leica - E46 UVa Filter ( silver )

    Leica - E46 UVa Filter ( silver )

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    Model#: 13005
    $160.00

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

    Chroma Technology - Luminance 36mm 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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    Model#: Lum-36
    $155.00

  10. Chroma Technology - Luminance 65mm x 65mm Diameter Filter - Square

    Chroma Technology - Luminance 65mm x 65mm 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#: Lum-65S
    $695.00

  11. Chroma filters

    Chroma Technology - Ha/8-27mm Diameter Filter - Mounted

    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#: Ha/8-27M
    $265.00

  12. Chroma filters

    Chroma Technology - Ha/8-31mm 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#: Ha/8-31M
    $275.00

  13. Chroma filters

    Chroma Technology - Ha/8-36mm 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#: Ha/8-36
    $355.00

  14. Chroma filters

    Chroma Technology - Ha/8-50mm 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#: Ha/8-50
    $455.00

  15. Chroma filters

    Chroma Technology - Ha/8-50mm 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#: Ha/8-50S
    $465.00

  16. Chroma filters

    Chroma Technology - Ha/8-65mm x 65mm 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#: Ha/8-65S
    $915.00

  17. Chroma filters

    Chroma Technology - 27mm LRGB Set - Mounted 1.25" Threaded Ring

    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#: LRGB-27M
    $475.00

  18. Chroma filters

    Chroma Technology - Red 65mm x 65mm 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-65S
    $695.00

  19. Chroma filters

    Chroma Technology - Green 65mm x 65mm 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-65S
    $695.00

  20. Chroma filters

    Chroma Technology - Blue 65mm x 65mm 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-65S
    $695.00

Items 121 to 140 of 340 total

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