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1.25" Filters

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  1. 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

  2. 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

  3. 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

  4. 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

  5. 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

  6. Astrodon - Photometric Sloan - 1.25" Mounted Gen2 z_s Edge Blackened Filter

    Astrodon - Photometric Sloan - 1.25" Mounted Gen2 z_s 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_s2-27R
    $200.00

  7. Astrodon - 1.25" Gen 2 Mounted Y Filter

    Astrodon - 1.25" Gen 2 Mounted Y Filter

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

    ...
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    Model#: Y2-27R
    $200.00

  8. DGM Optics - 1.25" VHT Filter

    DGM Optics - 1.25" VHT Filter

    The VHT is "mid-band" Nebula/LPR filter that is the perfect match for smaller scopes, or binoculars that can use filters. This filter provides a good balance between the NPB and GCE with regards to contrast vs. field background and star brightness.

    ...
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    Model#: VHT 1.25
    $70.00

  9. iOptron - Green Moon Filter

    iOptron - Green Moon Filter

    A moon filter reduces irradiation, glare, and excess image brightness in lunar observing. It also improves the contrast between lunar albedo features.

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    Model#: TFE100
    $14.00

  10.  Astronomik - Dark Filter - 1.25"

    Astronomik - Dark Filter - 1.25"

    Do you have a CCD camera without a mechanical shutter and would like to do dark frames without continually monitoring your equipment?

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    Model#: DARK-1
    $39.95

  11. Celestron LRGB Imaging Filter Set

    Celestron - LRGB Imaging Filter Set

    Take color images of the night sky with your Skyris monochrome CCD camera, a simple filter wheel, and this four-piece LRGB filter set!

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    FREE SHIPPING
    (48 States)
    Model#: 95517
    $279.95

  12. IDAS Hutech Light Pollution Suppression Filter 1.25"

    IDAS - Hutech - Light Pollution Suppression Filter - 1.25"

    This light pollution filter suppresses artificial light emission lines while preserving the emission lines from nebulae, therefore enhancing the view and image.

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    Model#: LPS-D1-28.6
    $179.00

  13. Vernonscope 1.25" Yellow Filter 74%

    Vernonscope - 1.25" Yellow Filter - 74%

    The 1.25" Yellow 74% filter from Vernonscope is excellent for viewing Mars because it furthers the contrast between the light and dark areas of the surface.

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    Model#: VRN114FILT12
    $39.00

  14. 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
    $175.00

  15. 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
    $175.00

  16. Custom Scientific H-Alpha 656.3/4.5 nm Filter 1.25" Round Mounted

    Custom Scientific - H-Alpha 656.3/4.5 nm Filter - 1.25" Round Mounted

    The Custom Scientific H-Alpha 656.3/4.5 nanometer filter is a great accessory for imaging emission nebulae which emit large amounts of the H-Alpha spectral line at a 4.5 nanometer bandpass due to excited hydrogen atoms.

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    FREE SHIPPING
    (48 States)
    Model#: CU-HA45NM-125
    $600.00

  17. Custom Scientific Luminance (IR-Blocked Clear) Filter 1.25" Round Mounted

    Custom Scientific - Luminance (IR-Blocked Clear) Filter - 1.25" Round Mounted

    The Custom Scientific Luminance Clear assists in CCD imaging because it preserves the visual spectral wavelengths while suppressing the extra Infrared wavelengths picked up by CCD sensors that the human eye can't detect.

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    Model#: CU-LUM-125
    $95.00

  18. Custom Scientific UBVRI 1.25" Mounted Round Filter Set

    Custom Scientific - UBVRI 1.25" Mounted Round Filter Set

    Custom Scientific UBVRI filters have been used in institutions and observatories around the world such as Kitt Peak, Mauna Kea, and the CTIO/Chile.

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    FREE SHIPPING
    (48 States)
    Model#: CU-UBVRI125-SET
    $875.00

  19. MallinCam 1.25" IR Cut Filter

    MallinCam - 1.25" IR Cut Filter

    This IR filter is specifically optimized for MallinCam Video CCD Cameras. ... Learn More
    Model#: OA-03
    $89.99

  20. 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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    FREE SHIPPING
    (48 States)
    Model#: FHALHS-1
    $257.00

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