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1.25" Filters

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  1. 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

  2. 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

    Regular Price: $205.00

    Special Price: $120.00

  3. TO - LP-1  Broadband (Black Cell)  1.25"

    TO - LP-1 Broadband (Black Cell) 1.25"

    The Thousand Oaks Optical product line now includes ... Learn More
    Model#: LP1-1.25
    $89.00

  4. TO - LP-2  Narrowband (Blue Cell)  1.25"

    TO - LP-2 Narrowband (Blue Cell) 1.25"

    Thousand Oaks Optical LP-2 Narrowband (Blue Cell) 1.25" FilterEnhance your deep sky viewing with the latest in multi-layer coating technology. Thousand Oaks filters transmit desired wave-lengths in a very steep slope rather than ... Learn More
    Model#: LP2-1.25
    $89.00

  5. TO LP-3 OIII (Green Cell) 1.25"

    TO - LP-3 OIII (Green Cell) 1.25"

    ... Learn More
    Model#: LP3-1.25
    $89.00

  6. TO - LP-4  H-Beta (Red Cell)  1.25"

    TO - LP-4 H-Beta (Red Cell) 1.25"

    Thousand Oaks Optical LP-4 H-Beta (Red Cell) 1.25" FilterEnhance your deep sky viewing with the latest in multi-layer coating technology. Thousand Oaks filters transmit desired wave-lengths in a very steep slope rather than ... Learn More
    Model#: LP4-1.25
    $89.00

  7. Vixen - Moon Filter 1.25"

    Vixen - Moon Filter 1.25"

    While looking at the reflect light off the Moon can not physically harm the observer, the intensity can be very bright. By adding this filter into the optical path, the observer can relax and enjoy the many fascinating features found on our Moon.

    ...
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    Model#: 3702
    $35.95

  8. Astrodon Photometric Sloan 1.25" Mounted Gen2 u' Edge-Blackened Filter

    Astrodon - Photometric Sloan - 1.25" Mounted Gen2 u' Edge-Blackened Filter

    NEW!  Astrodon introduces Generation 2 Sloan filters based upon ongoing input from research organizations.  The changes include

    ...
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    Model#: u'2-27R
    $200.00

  9. Astrodon Photometric Sloan 1.25" Mounted Gen2 g' Edge Blackened Filter

    Astrodon - Photometric Sloan - 1.25" Mounted Gen2 g' Edge Blackened Filter

    NEW!  Astrodon introduces Generation 2 Sloan filters based upon ongoing input from research organizations.  The changes include

    ...
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    Model#: g'2-27R
    $200.00

  10. Astrodon Photometric Sloan 1.25" Mounted Gen2 g' Edge Blackened Filter

    Astrodon - Photometric Sloan - 1.25" Mounted Gen2 r' Edge Blackened Filter

    NEW!  Astrodon introduces Generation 2 Sloan filters based upon ongoing input from research organizations.  The changes include

    ...
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    Model#: r'2-27R
    $200.00

  11. 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
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    (48 States)
    Model#: BMA-0125
    $205.00

  12. 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
    $175.00

  13. TeleVue - UHC Bandmate Filter 1.25"

    TeleVue - UHC Bandmate Filter 1.25"

    All Tele Vue filters are individually inspected for cosmetic and optical properties, as well as being serialized.

    The NebuStar Filter is a great general purpose filter for all nebulae observation.  Red-blocking properties permit brighter & sharper star images.

    ...
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    Model#: BFH-0125
    $175.00

  14. 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

  15. Lumicon - Filter Single Polarizer 1.25"

    Lumicon - Filter Single Polarizer 1.25"

    The LF1110, 1.25" Polarizing Filter, is the best all-purpose lunar and planetary filter.

    ...
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    Model#: LF1110

    Regular Price: $38.00

    Special Price: $35.95

  16. Lumicon - Filter Variable Polarizer 1.25"

    Lumicon - Filter Variable Polarizer 1.25"

    The LF1115, 1.25" Variable Polarizing Filter, is the all-phase lunar filter for large telescopes. Transmittance is continuously variable from 5% to 35%.

    ...
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    Model#: LF1115

    Regular Price: $61.00

    Special Price: $43.95

  17. 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

  18. 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

  19. Lumicon - Filter # 82A Light Blue 1.25"

    Lumicon - Filter # 82A Light Blue 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

    ...
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    Model#: LF1075
    $23.95

  20. Lumicon - Filter Neutral Density 50 1.25"

    Lumicon - Filter Neutral Density 50 1.25"

    The LF1090, 1.25" Neutral Density 50 Filter (ND50), transmits 50% of all incident light, while blocking 50%.

    ...
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    Model#: LF1090

    Regular Price: $30.00

    Special Price: $23.95

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