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  1. 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

  2. Lumicon - 2" Deep Sky Filter

    Lumicon - 2" Deep Sky Filter

    The best all-purpose nebula filter on the market today.

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    (48 States)
    Model#: LF3015
    $239.95

  3. Lumicon - 2" Comet Filter

    Lumicon - 2" Comet Filter

    The Lumicon 2" Comet Filter, a narrow band-pass filter (25nm), isolates the 501nm OIII line and both C2 lines at 511nm and 514nm.

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    (48 States)
    Model#: LF3075

    Regular Price: $336.00

    Special Price: $239.95

  4. Lumicon - 2"  Ultra High Contrast Filter

    Lumicon - 2" Ultra High Contrast Filter

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    Model#: LF3030

    Regular Price: $336.00

    Special Price: $239.95

  5. Lumicon - 2"  H-Beta Filter

    Lumicon - 2" H-Beta Filter

    Also known as the Horsehead Nebula filter, the Lumicon 2" 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.

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    Model#: LF3060

    Regular Price: $336.00

    Special Price: $239.95

  6. Lumicon - 1.25" Oxygen III Filter

    Lumicon - 1.25" Oxygen III Filter

    The legendary Lumicon 1.25in OIII narrow band-pass filter isolates just the two doubly ionized oxygen lines (496 and 501nm lines) emitted by diffuse, planetary and extremely faint nebulae.

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    Model#: LF3040

    Regular Price: $168.00

    Special Price: $119.95

  7. Lumicon - 1.25" Lunar & Planetary Filter Set (Light)

    Lumicon - 1.25" Lunar & Planetary Filter Set (Light)

    The Lumicon 1.25" Lunar & Planetary Filter Set (Light) contains the following filters: #8 Light Yellow, #11 Yellow-Green #21 Orange, #82A Light Blue

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    Model#: LF5080
    $83.95

  8. Lumicon - 1.25" Lunar & Planetary Filter Set (Dark)

    Lumicon - 1.25" Lunar & Planetary Filter Set (Dark)

    The Lumicon 1.25" Lunar & Planetary Filter Set (Light) contains the following filters: #12 Yellow, #25 Red, #47 Violet, #58 Green

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    Model#: LF5085
    $83.95

  9. Lumicon - 1.25" Lunar & Planetary Filter Set (4)

    Lumicon - 1.25" Lunar & Planetary Filter Set (4)

    The Lumicon 1.25" Lunar & Planetary Filter Set, LF5045, is an excellent "starter-kit,"

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    Model#: LF5045

    Regular Price: $127.00

    Special Price: $83.95

  10. Lumicon - 1.25" Hydrogen - Beta Filter

    Lumicon - 1.25" Hydrogen - Beta Filter

    Also known as the Horsehead Nebula filter, the Lumicon 1.25in 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
    Model#: LF3055

    Regular Price: $168.00

    Special Price: $119.95

  11. Lumicon - 1.25" Deep Sky Filter

    Lumicon - 1.25" Deep Sky Filter

    The 1.25in Deep Sky is Lumicon's most popular nebula filter. It blocks all high & low pressure mercury and sodium vapor lamp light, neon lights and airglow, while transmitting the rest of the visible spectrum.

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    Model#: LF3010

    Regular Price: $168.00

    Special Price: $119.95

  12. Lumicon - 1.25" Comet Filter

    Lumicon - 1.25" Comet Filter

    The Lumicon 1.25" Comet Filter, a narrow band-pass filter (25nm), isolates the 501nm OIII line and both C2 lines at 511nm and 514nm.

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    Model#: LF3070

    Regular Price: $168.00

    Special Price: $119.95

  13. Lumicon - 1.25"  Ultra High Contrast Filter

    Lumicon - 1.25" Ultra High Contrast Filter

    The ULTIMATE nebula filter. The original Lumicon 1.25in Ultra High Contrast Filter is unbeatable for revealing nebulosity. ... Learn More
    Model#: LF3025

    Regular Price: $168.00

    Special Price: $119.95

  14. Levenhuk - 2" Ra UHC Filter

    Levenhuk - 2" Ra UHC Filter

    Levenhuk Ra UHC 2'' filter is a great accessory for deep-sky observations under urban illumination conditions. This filter has a 0.92 transmittance

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    Model#: 35437
    $98.95

  15. Levenhuk - 2" Ra O-III Filter

    Levenhuk - 2" Ra O-III Filter

    Levenhuk Ra O-III 2'' filter is a narrow-passband filter with a barrel diameter of 2'' that transmits wavelengths of the visible spectrum within 150 Å (15 nm) range.

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    Model#: 35436
    $94.95

  16. 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

  17. Levenhuk - 2" Ra CLS Filter

    Levenhuk - 2" Ra CLS Filter

    Levenhuk Ra CLS 2'' filter is capable of enhancing the contrast of observed nebulae and other deep-sky objects, which will be very useful for those who often stargaze in the city.

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    Model#: 35439
    $84.95

  18. Levenhuk - 1.25" Ra UHC Filter

    Levenhuk - 1.25" Ra UHC Filter

    This filter was designed for observations of dim and low-contrast deep-sky objects. The passband includes the Hβ wavelength (4861 Å) and the OIII doublet (4959 Å and 5007 Å).

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    Model#: 45128
    $68.95

  19. Levenhuk - 1.25" Ra O-III Filter

    Levenhuk - 1.25" Ra O-III Filter

    Levenhuk Ra O-III 1.25'' filter is a narrow-passband filter with a barrel diameter of 1.25'' that transmits wavelengths of the visible spectrum within 150 Å (15 nm) range.

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    Model#: 45127
    $74.95

  20. Levenhuk - 1.25" Ra H-Beta Filter

    Levenhuk - 1.25" Ra H-Beta Filter

    Levenhuk Ra H-Beta 1.25'' filter may be used for deep-sky observations of emission nebulae and other marvels. Apart from enhancing the contrast of observed objects, this filter suppresses up to 90% of light.

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    Model#: 45129
    $97.95

Items 81 to 100 of 331 total

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