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1.25" Filters

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  1. 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#: 05579
    Orion Imaging Sale ends May 31st, 2015!

    Regular Price: $168.29

    Special Price: $151.46

  2. 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#: 05583
    $109.99

  3. Orion 1.25" H-Alpha Extra-Narrowband Filter

    Orion - 1.25" H-Alpha Extra-Narrowband Filter

    Get Great Nebula Images Under City Lights or a Full Moon with the Orion Hydrogen-Alpha Extra Narrowband Astrophotography Filter!

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    Model#: 05587
    Orion Imaging Sale ends May 31st, 2015!

    Regular Price: $189.71

    Special Price: $170.74

  4. Orion 1.25" Mars Observation Eyepiece Filter Set

    Orion - 1.25" Mars Observation Eyepiece Filter Set

    You may not see little green guys with antennae, but you will resolve plenty of subtle features with this Orion Mars-optimized telescope filter set. It consists of three 1.25" glass filters in threaded aluminum cells:

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    Model#: 05591
    $79.99

  5. Orion Deluxe Stargazer's 1.25" Eyepiece Filter Set

    Orion - Deluxe Stargazer's 1.25" Eyepiece Filter Set

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    Model#: 05590
    Orion Imaging Sale ends May 31st, 2015!

    Regular Price: $152.99

    Special Price: $137.69

  6. Orion 1.25" 25% Transmission Moon Filter

    Orion - 1.25" 25% Transmission Moon Filter

    Useful telescope eyepiece filter transmits 25% of incoming light. Ideal for viewing crescent Moon phases and for lunar viewing in smaller-aperture telescopes, for which less dimming is required.

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    Model#: 05598
    $19.99

  7. Astronomik - ProPlanet 642 BP IR-Pass Filter - 1.25"

    Astronomik - ProPlanet 642 BP IR-Pass Filter - 1.25"

    The Astronomik ProPlanet 642 BP will give you three filters in one single product. Depending on your..... ... Learn More
    Model#: P642-1
    $59.95

  8. Baader Planetarium 1.25" Multicoated Neutral Density Filter - ND 0.6

    Baader Planetarium - 1.25" Multicoated Neutral Density Filter - ND 0.6

    The Baader Planetarium Neutral Density Filter 0.6. helps reduce light from bright objects. It is mounted in a 1.25" filter cell (also available as a 2" version SOLD SEPARATELY)

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    Model#: FND0-1
    $41.00

  9. Baader Planetarium 1.25" Multicoated Neutral Density Filter ND 0.9

    Baader Planetarium - 1.25" Multicoated Neutral Density Filter - ND 0.9

    The Baader Planetarium Neutral Density Filter 0.9. helps reduce light from bright objects. It is mounted in a 1.25" filter cell (also available as a 2" version SOLD SEPARATELY)

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    Model#: FND1-1
    $41.00

  10. Baader Planetarium 1.25" Multicoated Neutral Density Filter ND 1.8

    Baader Planetarium - 1.25" Multicoated Neutral Density Filter - ND 1.8

    The Baader Planetarium Neutral Density Filter 1.8 helps reduce light from bright objects. It is mounted in a 1.25" filter cell (also available as a 2" version SOLD SEPARATELY)

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    Model#: FND2-1
    $41.00

  11. Baader Planetarium 1.25" Multicoated Neutral Density Filter ND 1.8

    Baader Planetarium - 1.25" Multicoated Neutral Density Filter - ND 3.0

    The Baader Planetarium Neutral Density Filter 3.0 helps reduce light from bright objects. It is mounted in a 1.25" filter cell (also available as a 2" version SOLD SEPARATELY)

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    Model#: FND3-1
    $41.00

  12. Astro Optic 1.25" UHC Filter

    AstroOptic - 1.25" UHC Filter

    The UHC, otherwise known as the Ultra High Contrast Filter is designed for viewing nebulae under a dark sky by filtering out certain wavelengths

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    Model#: Q1-UHC125-01

    Regular Price: $103.99

    Special Price: $79.99

  13. Baader Planetarium - f/2 Highspeed-Filter S-II 1.25" (with LPFC)

    Baader Planetarium - f/2 Highspeed-Filter S-II 1.25" (with LPFC)

    Baader’s new ‘High Speed’ Narrowband CCD Filters come in both 1.25” and 2” diameter mounted sizes, in H-alpha, O-III, and S-II, but with an extra twist when compared to their normal filters.

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    Model#: FSIIHS-1
    $219.00

  14. 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

  15. 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

  16. 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

  17. 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

  18. 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
    $175.00

  19. 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
    $175.00

  20. 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
    $175.00

Items 41 to 60 of 138 total

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