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  1. Lumicon - 77mm Night Sky Hydrogen - Alpha Filter

    Lumicon - 77mm Night Sky Hydrogen - Alpha Filter

    Lumicon's Night Sky Hydrogen-Alpha Filters are long-pass filters with a 50% transition from blocking to passing at about 640nm. At wavelengths longer than 650nm, transmittance is 90% or above ... Learn More
    Model#: LF3110
    $155.95

  2. Lumicon - 82mm Night Sky Hydrogen - Alpha Filter

    Lumicon - 82mm Night Sky Hydrogen - Alpha Filter

    Lumicon's Night Sky Hydrogen-Alpha Filters are long-pass filters with a 50% transition from blocking to passing at about 640nm. At wavelengths longer than 650nm, transmittance is 90% or above ... Learn More
    Model#: LF3115
    $167.95

  3. Lumicon - Cassegrain Comet Filter

    Lumicon - Cassegrain Comet Filter

    The Lumicon Cassegrain Comet Filter, a narrow band-pass filter (25nm), isolates the 501nm OIII line and both C2 lines at 511nm and 514nm ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: LF3080
    $239.95

  4. Lumicon - Cassegrain Deep Sky Filter

    Lumicon - Cassegrain Deep Sky Filter

    The best all-purpose nebula filter on the market today, the Lumicon Cassegrain Deep Sky Filter blocks all high & low-pressure mercury and sodium vapor lamp light, neon lights and airglow, while transmitting the rest of the visible spectrum ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: LF3020
    $239.95

  5. Lumicon - Cassegrain H- Beta Filter

    Lumicon - Cassegrain H- Beta Filter

    Also known as the Horsehead Nebula filter, the Lumicon Cassegrain Hydrogen-Beta Filter isolates only the hydrogen-beta line of the spectrum (486nm) in a narrow pass-band just 9 nm wide, providing maximum contrast ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: LF3065
    $239.95

  6. Lumicon - Cassegrain Oxygen III Filter

    Lumicon - Cassegrain Oxygen III Filter

    The legendary Lumicon Cassegrain OIII narrow band-pass filter threads onto your telescope's SCT rear-cell, and presents male SCT threads for accessory attachment ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: LF3050
    $239.95

  7. Lumicon - Cassegrain Ultra High Contrast Filter

    Lumicon - Cassegrain Ultra High Contrast Filter

    The original Lumicon Cassegrain Ultra High Contrast Filter is unbeatable for revealing nebulosity ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: LF3035
    $239.95

  8. Lumicon - Clear Dust Seal Celestron 11in / 14in SCT

    Lumicon - Clear Dust Seal Celestron 11in / 14in SCT

    Lumicon Dust Seals keep dust, moisture and insects out of your telescope. The glass is a plane-parallel polished surface that passes more than 98% of all visible wavelengths, with no noticeable internal reflection or aberration ... Learn More
    Model#: LF3165
    $107.95

  9. Lumicon - Clear Dust Seal Meade 10in - 14in SCT

    Lumicon - Clear Dust Seal Meade 10in - 14in SCT

    Lumicon Dust Seals keep dust, moisture and insects out of your telescope. The glass is a plane-parallel polished surface that passes more than 98% of all visible wavelengths, with no noticeable internal reflection or aberration ... Learn More
    Model#: LF3160
    $107.95

  10. Lumicon - Dust Seal Ultra Violet 5in - 9.25in SCT

    Lumicon - Dust Seal Ultra Violet 5in - 9.25in SCT

    Lumicon Dust Seals keep dust, moisture and insects out of your telescope. The glass is a plane-parallel polished surface that passes more than 98% of all visible wavelengths, with no noticeable reflection or aberration ... Learn More
    Model#: LF3155
    $71.95

  11. Lumicon - Expansion Kit for 1.25in Multiple Filter Selector

    Lumicon - Expansion Kit for 1.25in Multiple Filter Selector

    The LF5030, Expansion Kit for 1.25in Multiple Filter Selector, includes an extra filter tray, an 8-32 ball plunger, and two (2) adjustable stops. The kit converts the standard Lumicon 1 ... Learn More
    Model#: LF5030
    $38.95

  12. Lumicon - Expansion Kit for 2in Multiple Filter Selector

    Lumicon - Expansion Kit for 2in Multiple Filter Selector

    The LF5032, Expansion Kit for 2" Multiple Filter Selector, includes an extra filter tray, an 8-32 ball plunger, and two (2) adjustable stops ... Learn More
    Model#: LF5032
    $87.95

  13. Lumicon - Filter # 11 Yellow-Green 1.25in

    Lumicon - Filter # 11 Yellow-Green 1.25in

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging ... Learn More
    Model#: LF1015
    $23.95

  14. Lumicon - Filter # 11 Yellow-Green 2 in

    Lumicon - Filter # 11 Yellow-Green 2 in

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging ... Learn More
    Model#: LF2015
    $35.95

  15. Lumicon - Filter # 12 Yellow 1.25in

    Lumicon - Filter # 12 Yellow 1.25in

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging ... Learn More
    Model#: LF1020
    $23.95

  16. Lumicon - Filter # 12 Yellow 2 in

    Lumicon - Filter # 12 Yellow 2 in

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging ... Learn More
    Model#: LF2020
    $35.95

  17. Lumicon - Filter # 15 Dark Yellow 2 in

    Lumicon - Filter # 15 Dark Yellow 2 in

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging ... Learn More
    Model#: LF2025
    $35.95

  18. Lumicon - Filter # 15 Yellow-Orange 1.25in

    Lumicon - Filter # 15 Yellow-Orange 1.25in

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging ... Learn More
    Model#: LF1025
    $23.95

  19. Lumicon - Filter # 21 Orange 1.25"

    Lumicon - Filter # 21 Orange 1.25"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging ... Learn More
    Model#: LF1030
    $23.95

  20. Lumicon - Filter # 21 Orange 2 in

    Lumicon - Filter # 21 Orange 2 in

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging ... Learn More
    Model#: LF2030
    $35.95

Items 21 to 40 of 78 total

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