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1.25" Filters

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

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

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    Model#: LP3-1.25
    $89.00

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. Astrodon - Photometric Sloan - 1.25" Mounted Gen2 i' Edge Blackened Filter

    Astrodon - Photometric Sloan - 1.25" Mounted Gen2 i' 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#: i'2-27R
    $200.00

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

    Astrodon - Photometric Sloan - 1.25" Mounted Gen2 z' 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#: z'2-27R
    $200.00

  9. Levenhuk - 1.25" Optical Filter #21 (Orange)

    Levenhuk - 1.25" Optical Filter #21 (Orange)

    Levenhuk 1.25" Optical Filter #21 (Orange) has a barrel diameter of 1.25" and transmits up to 56% of visible light. With this filter, you can study the minutest details of celestial objects—such as ... Learn More
    Model#: 28089
    $19.95

  10. Levenhuk - 1.25" Optical Filter #56 (Light Green)

    Levenhuk - 1.25" Optical Filter #56 (Light Green)

    Levenhuk optical filter #56 (light green) has a barrel diameter of 1.25" and transmits up to 53% of visible light. With this filter, you can study the minutest details of celestial objects—such as ... Learn More
    Model#: 28086
    $19.95

  11. Levenhuk - 1.25" Optical Filter #80A (Blue)

    Levenhuk - 1.25" Optical Filter #80A (Blue)

    Levenhuk 1.25" Optical Filter #80A (Blue) has a barrel diameter of 1.25" and transmits up to 30% of visible light. With this filter, you ... Learn More
    Model#: 28091
    $19.95

  12. Vernonscope 1.25" Light Blue Filter - 72%

    Vernonscope - 1.25" Light Blue Filter - 72%

    The Vernonscope 1.25" Mounted Glass Filter is based on optical glass with numbers engraved to match the Kodak Wratten series.

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    Model#: VRN114FILT80A
    $39.00

  13. Vernonscope 1.25" Polarizer Filter 30%

    Vernonscope - 1.25" Polarizer Filter - 30%

    The Vernonscope 1.25" Mounted Glass Filter is composed of a 1" clear-aperture based optical glass with numbers engraved to match the Kodak Wratten series.

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    Model#: VRN114FILTPL
    $39.00

  14. Vernonscope Ten 1.25" Filter Set

    Vernonscope - Ten 1.25" Filter Set

    This Vernonscope eyepiece set includes ten 1.25" visual filters that are compatible with the Brandon Ocular and Dakin Barlow eyepieces and include numbers on the surface that match Kodak Wratten.

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    FREE SHIPPING
    (48 States)
    Model#: 27200
    $369.00

  15. Vernonscope 1.25" Salmon Filter 63%

    Vernonscope - 1.25" Salmon Filter - 63%

    On the surface of the filter, there are numbers that correspond with Kodak Wratten filters and will fit Brandon Oculars and Dakin Barlows by Vernonscope.

    ...
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    Model#: VRN114FILT85
    $39.00

  16. 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
    $150.00

  17. 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
    $150.00

  18. 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
    $150.00

  19. 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
    $150.00

  20. 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
    $150.00

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