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1.25" Filters

Items 41 to 60 of 140 total

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  1. 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
    $189.71

  2. 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
    $84.65

  3. Orion Deluxe Stargazer's 1.25" Eyepiece Filter Set
  4. 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
    $20.59

  5. 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

  6. 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

  7. 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

  8. 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

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

    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

  10. Baader Planetarium - 1.25" Polarization Filter - Double

    Baader Planetarium - 1.25" Polarization Filter - Double

    The Baader Planetarium 1.25" Polarization filter can be threaded directly into an eyepiece, thereby making the switch from 1.25" eyepieces easy without removing the filter and maintaining a close distance between the eyepiece and filter.

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    Model#: FPOL-1D
    $97.00

  11. Astronomik - 6 nm OIII MFR Narrowband Filter - 1.25" Mounted

    Astronomik - 6 nm OIII MFR Narrowband Filter - 1.25" Mounted

    The OIII line (501 nm) is located in the blue-green portion of the spectrum, making them very suitable for observing most planetary nebulae and supernovae remnants and other objects with doubly ionized oxygen.

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    Model#: OIIICCD6-1
    $199.95

  12. Astro Optic 1.25" CLS Filter

    AstroOptic - 1.25" CLS Filter

    Light pollution CLS Filters are designed to minimize the affects of light pollution by removing common nanometers and wavelengths found in artificial street lights in the city.

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    Model#: Q1-CLS125-01

    Regular Price: $103.99

    Special Price: $79.95

  13. Astro Optic 1.25" O-III Filter

    AstroOptic - 1.25" O-III Filter

    Oxygen III or OIII filters are mainly designed for viewing planetary nebulae that normally have extremely narrow pass bands in the oxygen spectral lines

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    Model#: Q1-OIII125-01

    Regular Price: $102.99

    Special Price: $79.99

  14. 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

  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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    (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

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