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1.25" Filters

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  1. Baader Planetarium - U Filter (Venus and Ultraviolet) - 1.25"

    Baader Planetarium - U Filter (Venus and Ultraviolet) - 1.25"

    Another unique and pioneering filter from Baader Planetarium. For the first time, amateurs can now record cloud structures on Venus. The Baader Venus Filter enables amateurs to successfully image in the deep UV, a spectral region normally inaccessible

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    Model#: FUV-1
    $296.00

  2. Baader Planetarium Set of 5 Photometric UBVRI Filters 1.25" (4mm Glass Thickness, Optically Polished)
  3. Baader Planetarium - f/2 Highspeed-Filter H-Alpha 1.25" (with LPFC)

    Baader Planetarium - f/2 Highspeed-Filter H-Alpha 1.25" (with LPFC)

    Baader's New f/2 Highspeed Narrowband Filters and Filtersets (1¼" and 2", H-alpha / O-III / S-II) are designed especially for the delicate requirements of extremely fast astrograph optics, such as Hyperstar, RASA, and ultra-fast instruments from TEC/AP/ASA/etc.

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    Model#: FHALHS-1
    $257.00

  4. Baader Planetium f/2 Highspeed-Filter Set 1.25", consisting of H-α, O-III, S-II

    Baader Planetium - f/2 Highspeed-Filter Set 1.25", consisting of H-α, O-III, S-II

    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#: FHSS-1
    $649.00

  5. Baader Planetarium - f/2 Highspeed-Filter O-III 1.25" (with LPFC)

    Baader Planetarium - f/2 Highspeed-Filter O-III 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#: FOIIIHS-1
    $213.00

  6. 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

  7. 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

  8. 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

  9. 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

  10. 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

  11. 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

  12. Baader Planetarium Visual Narrowband O-III Filter - 1.25"

    Baader Planetarium - Visual Narrowband O-III Filter - 1.25"

    For enthusiastic deep sky observers who live in light-polluted areas, planetary nebulae and supernovae remnants will shine with the enhance contrast from the Baader Planetarium O-III Filter!

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    Model#: BPO3125
    $90.00

  13. Baader Planetarium - UHC-S High Transmission Nebula Filter - 1.25"

    Baader Planetarium - UHC-S High Transmission Nebula Filter - 1.25"

    A new generation of light pollution rejection/nebula filter.

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    Model#: BPUHCS125
    $85.00

  14. Baader Planetarium - UHC-S High Transmission Nebula Filter - 2"

    Baader Planetarium - UHC-S High Transmission Nebula Filter - 2"

    A new generation of light pollution rejection/nebula filter.

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    Model#: BPUHCS2
    $114.00

  15. Baader Planetarium - Contrast-Booster Filter - 1.25"

    Baader Planetarium - Contrast-Booster Filter - 1.25"

    The Baader Planetarium 1.25" Contrast Booster Filter is a remarkable accessory for all refractive optical systems!

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    Model#: BPCB125
    $74.00

  16. Baader Planetarium - Neodymium (Moonglow and Skyglow) Filter - 1.25"

    Baader Planetarium - Neodymium (Moonglow and Skyglow) Filter - 1.25"

    The Baader Planetarium Neodymium Filter was intended to transmit the most amount of incoming light possible while suppressing skyglow caused by artificial lighting and background glow when Moon is above horizon.

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    Model#: BPMS125
    $74.00

  17. Baader Planetarium Polarizing Filter - 1.25"

    Baader Planetarium - Polarizing Filter - 1.25"

    For observers who enjoy lunar viewing, the Baader Planetarium Polarizing Filter is a perfect option. It provides variable neutral density as it is rotated to accommodate different lunar stages.

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    Model#: BPPOL125
    $58.00

  18. Baader Planetarium - UV-IR Rejection Filter - 1.25"

    Baader Planetarium - UV-IR Rejection Filter - 1.25"

    Astrophotography with CCD cameras, digital cameras and webcams will only get better with the addition of the Baader UV-IR Rejection Filter!

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    Model#: BPUVIR125
    $66.00

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