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1.25" Filters

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  1. Astrodon - 1.25 " Mounted I Filter

    Astrodon - 1.25 " Mounted I Filter

    Astrodon Photometrics - Sloan FiltersThe Sloan Digital Sky Survey (SDSS) filters were  designed by Fukugita et al. (Ast. J., 411/4, April 1996, p ... Learn More
    Model#: i-27R
    $150.00

  2. Astrodon - 1.25" Gen 2 Mounted G' Filter

    Astrodon - 1.25" Gen 2 Mounted G' Filter

    Astrodon's new improvements of photometric Sloan filters generation 2 feature excellent out of band clocking and other edge-blackended compounds to reduce stray light reflections to assist in CCD imaging.

    ...
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    Model#: g'2-27R

    Regular Price: $175.00

    Special Price: $157.50

  3. Astrodon - 1.25" Gen 2 Mounted I' Filter

    Astrodon - 1.25" Gen 2 Mounted I' Filter

    Astrodon's new improvements of photometric Sloan filters generation 2 feature excellent out of band clocking and other edge-blackended compounds to reduce stray light reflections to assist in CCD imaging.

    ...
    Learn More
    Model#: i'2-27R

    Regular Price: $175.00

    Special Price: $157.50

  4. Astrodon - 1.25" Gen 2 Mounted R' Filter

    Astrodon - 1.25" Gen 2 Mounted R' Filter

    Astrodon's new improvements of photometric Sloan filters generation 2 feature excellent out of band clocking and other edge-blackended compounds to reduce stray light reflections to assist in CCD imaging.

    ...
    Learn More
    Model#: r'2-27R

    Regular Price: $175.00

    Special Price: $157.50

  5. Astrodon - 1.25" Gen 2 Mounted U' Filter

    Astrodon - 1.25" Gen 2 Mounted U' Filter

    Astrodon's new improvements of photometric Sloan filters generation 2 feature excellent out of band clocking and other edge-blackended compounds to reduce stray light reflections to assist in CCD imaging.

    ...
    Learn More
    Model#: u'2-27R
    $185.00

  6. Astrodon - 1.25" Gen 2 Mounted Y Filter

    Astrodon - 1.25" Gen 2 Mounted Y Filter

    Astrodon's new improvements of photometric Sloan filters generation 2 feature excellent out of band clocking and other edge-blackended compounds to reduce stray light reflections to assist in CCD imaging.

    ...
    Learn More
    Model#: Y2-27
    $175.00

  7. Astrodon - 1.25" Gen 2 Mounted Z' Filter

    Astrodon - 1.25" Gen 2 Mounted Z' Filter

    Astrodon's new improvements of photometric Sloan filters generation 2 feature excellent out of band clocking and other edge-blackended compounds to reduce stray light reflections to assist in CCD imaging.

    ...
    Learn More
    Model#: z'2-27R

    Regular Price: $175.00

    Special Price: $157.50

  8. Astrodon - 1.25" Gen 2 Mounted Z_S Filter

    Astrodon - 1.25" Gen 2 Mounted Z_S Filter

    Astrodon's new improvements of photometric Sloan filters generation 2 feature excellent out of band clocking and other edge-blackended compounds to reduce stray light reflections to assist in CCD imaging.

    ...
    Learn More
    Model#: z_s2-27R
    $175.00

  9. Astronomik - 12nm H-Beta CCD Filter - 1.25" Round Mounted

    Astronomik - 12nm H-Beta CCD Filter - 1.25" Round Mounted

    The Astronomik H-beta filter is a narrow band emission-line filter for CCD photography.

    ...
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    Model#: HBCCD-1
    $149.95

  10. Astronomik - CLS Light Pollution Filter - CCD 1.25"

    Astronomik - CLS Light Pollution Filter - CCD 1.25"

    The Astronomik CLS CCD is suitable under light-polluted skies for DSLR Cameras, which have been remodeled for astronomical use.

    ...
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    Model#: CLSCCD-1
    $119.95

  11. Astronomik - H-Alpha 12nm CCD Filter - 1.25" Round Mounted

    Astronomik - H-Alpha 12nm CCD Filter - 1.25" Round Mounted

    The Astronomik H-alpha filter is a narrow band filter for CCD photography. The filter lets the H-alpha light of emission nebulae pass and blocks nearly the whole remainder of the spectrum where the CCD is sensitive.

    ...
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    Model#: HA12-1
    $149.95

  12. Astronomik - H-Beta Filter - 1.25" Round Mounted

    Astronomik - H-Beta Filter - 1.25" Round Mounted

    The Astronomik H-beta is a filter for visual observation, in particular with instruments of larger aperture.

    ...
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    Model#: HB-1
    $119.95

  13. Astronomik - OIII 12nm CCD Filter - 1.25" Round Mounted

    Astronomik - OIII 12nm CCD Filter - 1.25" Round Mounted

    The Astronomik OIII CCD filter is a narrow band emission-line-filter for CCD photography.

    ...
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    Model#: OIIICCD-1
    $149.95

  14. Astronomik - OIII Filter - 1.25" Round Mounted

    Astronomik - OIII Filter - 1.25" Round Mounted

    From the start, the Astronomik OIII filter has been very specifically designed for the visual observation of gaseous and planetary nebulae.

    ...
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    Model#: OIII-1
    $119.95

  15. Astronomik - SII 12nm CCD Filter - 1.25" Round Mounted

    Astronomik - SII 12nm CCD Filter - 1.25" Round Mounted

    The Astronomik SII-CCD filter is a narrow-band-filter for CCD photography.

    ...
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    Model#: SII-1
    $149.95

  16. Astronomik - UHC Visual Filter - 1.25" Round Mounted

    Astronomik - UHC Visual Filter - 1.25" Round Mounted

    The Astronomik UHC filter is for visual deep-sky observation.

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    Model#: UHC-1
    $119.95

  17. Lumicon - 1.25"  Ultra High Contrast Filter

    Lumicon - 1.25" Ultra High Contrast Filter

    ... Learn More
    Model#: LF3025

    Regular Price: $168.00

    Special Price: $119.95

  18. Lumicon - 1.25" Comet Filter

    Lumicon - 1.25" Comet Filter

    The Lumicon 1.25" Comet Filter, a narrow band-pass filter (25nm), isolates the 501nm OIII line and both C2 lines at 511nm and 514nm.

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    Model#: LF3070

    Regular Price: $168.00

    Special Price: $119.95

  19. Lumicon - 1.25" Deep Sky Filter

    Lumicon - 1.25" Deep Sky Filter

    The 1.25in Deep Sky is Lumicon's most popular nebula filter. It blocks all high & low pressure mercury and sodium vapor lamp light, neon lights and airglow, while transmitting the rest of the visible spectrum.

    ...
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    Model#: LF3010

    Regular Price: $168.00

    Special Price: $119.95

  20. Lumicon - 1.25" Hydrogen - Beta Filter

    Lumicon - 1.25" Hydrogen - Beta Filter

    Also known as the Horsehead Nebula filter, the Lumicon 1.25in Hydrogen-Beta Filter isolates only the hydrogen-beta line of the spectrum (486nm) in a narrow pass-band just 9 nm wide, providing maximum contrast ... Learn More
    Model#: LF3055

    Regular Price: $168.00

    Special Price: $119.95

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