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1.25" Filters

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  1. Lumicon - Night Sky H-Alpha Filter  1.25"

    Lumicon - Night Sky H-Alpha Filter 1.25"

    Lumicon's Night Sky Hydrogen-Alpha Filters are long-pass filters with a 50% transition from blocking to passing at about 640nm.

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    Model#: LF3085

    Available

    $119.95

  2. 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

    Available

    $104.95

  3. 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

    In Stock

    $149.95

  4. 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

    In Stock

    $149.95

  5. 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

    In Stock

    $149.95

  6. 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

    Available

    $149.95

  7. 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

    Available

    $149.95

  8. Orion OIII Nebula Telescope Filter 1.25"

    Orion - OIII Nebula Telescope Filter 1.25"

    1.25in ... Learn More
    Model#: ORI-05581

    Available

    $109.99

  9. TeleVue - OIII Bandmate Filter 1.25"*

    TeleVue - OIII Bandmate Filter 1.25"*

    This OIII filter particularly enhances planetary nebulae in larger telescopes Narrowband filter for high transmission, with high blocking of unwanted longer wavelengths to yield high-contrast images ... Learn More
    Model#: BFO-0125

    In Stock

    5% off

    Regular Price: $175.00

    Special Price: $166.25

  10. TeleVue - Bandmate Mars TYPE A Filter*

    TeleVue - Bandmate Mars TYPE A Filter*

    Bandmate™ Mars Type-A FilterWe all know you can't have your cake and eat it too, but the Bandmate™ Mars Type-A filter lets you at least have a good taste! The Type-A is a dual band filter with different dielectric coatings on each side of t ... Learn More
    Model#: BMA-0125

    Available

    5% off

    Regular Price: $205.00

    Special Price: $194.75

  11. TeleVue - Bandmate Mars TYPE B Filter*

    TeleVue - Bandmate Mars TYPE B Filter*

    Bandmate™ Mars Type-B FilterThe Bandmate™ Mars Type-B filter is a high efficiency, single band dielectric coating that achieves penetrating views of the Martian surface. The surface appearance is similar to that of the popular #21 filter ... Learn More
    Model#: BMB-0125

    In Stock

    5% off

    Regular Price: $205.00

    Special Price: $194.75

  12. 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

    Available

    $104.95

  13. IDAS Hutech Light Pollution Suppression Filter 1.25"

    IDAS - Hutech - Light Pollution Suppression Filter - 1.25"

    This light pollution filter suppresses artificial light emission lines while preserving the emission lines from nebulae, therefore enhancing the view and image.

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    Model#: LPS-D1-28.6

    Available

    $179.00

  14. Custom Scientific "I" Research Grade Filter 1.25" Round Mounted

    Custom Scientific - "I" Research Grade Filter - 1.25" Round Mounted

    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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    Model#: CU-125I

    Available

    $175.00

  15. Custom Scientific "B" Research Grade Filter - 1.25" Round Mounted

    Custom Scientific - "B" Research Grade Filter - 1.25" Round Mounted

    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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    Model#: CU-125B

    Available

    $175.00

  16. Custom Scientific - "U" Research Grade Filter - 1.25" Mounted

    Custom Scientific - "U" Research Grade Filter - 1.25" Mounted

    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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    Model#: CU-125U

    Available

    $175.00

  17. Custom Scientific "V" Research Grade Filter 1.25" Round Mounted

    Custom Scientific - "V" Research Grade Filter - 1.25" Round Mounted

    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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    Model#: CU-125V

    Available

    $175.00

  18. Custom Scientific - "R" Research Grade Filter - 1.25" Round Mounted

    Custom Scientific - "R" Research Grade Filter - 1.25" Round Mounted

    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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    Model#: CU-125R

    Available

    $175.00

  19. Orion 1.25" Sulfur-II Extra-Narrowband Filter

    Orion - 1.25" Sulfur-II Extra-Narrowband Filter

    Now you can capture dramatic Hubble-like CCD images of emission nebulas from the heart of the city or under a full Moon.

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    Model#: ORI-05579

    In Stock

    $139.99

  20. Orion 1.25" Hydrogen-Beta Eyepiece Filter

    Orion - 1.25" Hydrogen-Beta Eyepiece Filter

    A Hydrogen-Beta telescope filter may be the only way to see the faint and elusive Horsehead, California, and Cocoon Nebulas.

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    Model#: ORI-05583

    Available

    $109.99

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