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  1. Astronomik - Dark Filter - 2"

    Astronomik - Dark Filter - 2"

    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-2
    $49.95

  2.  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

  3. Astronomik - CLS CCD Light Pollution Filter - 36mm Round Unmounted

    Astronomik - CLS CCD Light Pollution Filter - 36mm Round Unmounted

    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-36
    $169.95

  4. Astronomik - CLS CCD Light Pollution Filter - 31mm Round Unmounted

    Astronomik - CLS CCD Light Pollution Filter - 31mm Round Unmounted

    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-31
    $129.95

  5. Astronomik - CLS Light Pollution Filter - 36mm Round Unmounted

    Astronomik - CLS Light Pollution Filter - 36mm Round Unmounted

    The Astronomik CLS is a budget filter for visual observation, Black & White photography and CCD photographs of nebulae, galaxies and star clusters with astronomical instruments of any size.

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    Model#: CLS-36
    $129.95

  6. Astronomik - CLS Light Pollution Filter - 31mm Round Unmounted

    Astronomik - CLS Light Pollution Filter - 31mm Round Unmounted

    The Astronomik CLS is an excellent filter for black & white and color imaging of nebulae, galaxies and star clusters with astronomical instruments of any size.

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    Model#: CLS-31
    $99.95

  7. Astronomik - OWB-CCD Type 3 Filter - Canon EOS Clip
  8. Chroma Technology - I Band 50mm Square Filter

    Chroma Technology - I Band 50mm Square Filter

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    (48 States)
    Model#: I Band 50 Sq
    $220.00

  9. Chroma Technology - I Band 50mm Filter

    Chroma Technology - I Band 50mm Filter

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    FREE SHIPPING
    (48 States)
    Model#: I Band 50
    $220.00

  10. Chroma Technology - I Band 27mm Filter

    Chroma Technology - I Band 27mm Filter

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    Model#: I Band 27
    $110.00

  11. Chroma Technology - R Band 50mm Square Filter

    Chroma Technology - R Band 50mm Square Filter

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    FREE SHIPPING
    (48 States)
    Model#: R Band 50 Sq
    $220.00

  12. Chroma Technology - R Band 50mm Filter

    Chroma Technology - R Band 50mm Filter

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    FREE SHIPPING
    (48 States)
    Model#: R Band 50
    $220.00

  13. Chroma Technology - R-Band 27mm Filter

    Chroma Technology - R-Band 27mm Filter

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    Model#: R Band 27
    $110.00

  14. Chroma Technology - V-Band 50mm Square Filter

    Chroma Technology - V-Band 50mm Square Filter

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    FREE SHIPPING
    (48 States)
    Model#: V Band 50 Sq
    $220.00

  15. Chroma Technology - V-Band 50mm Filter

    Chroma Technology - V-Band 50mm Filter

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    (48 States)
    Model#: V Band 50
    $220.00

  16. FLI - Research Grade 28mm Luminance Filter

    FLI - Research Grade 28mm Luminance Filter

    • FLI Research Grade filter sets are par focal to F4.5 (individual filters are also available, contact FLI)
    • Size: 28mm
    • Shape: round
    • Thickness: 3mm +/-0.1mm
    • Bandwidth: N/A
    • Parallelism: 30 second or better
    • Surface Flatness: 1/4 wave per inch
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    Model#: RG 28D L
    $140.00

  17. Astrodon - Photometric Sloan - 50mm Unmounted Gen2 g' Edge Blackened Square Filter

    Astrodon - Photometric Sloan - 50mm Unmounted Gen2 g' Edge Blackened Square Filter

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

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    FREE SHIPPING
    (48 States)
    Model#: g'2-50S
    $440.00

  18. 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

  19. Astrodon - Photometric Sloan - 50mm Unmounted Gen2 z' Edge Blackened Square Filter

    Astrodon - Photometric Sloan - 50mm Unmounted Gen2 z' Edge Blackened Square Filter

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

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    FREE SHIPPING
    (48 States)
    Model#: z'2-50S
    $440.00

  20. Astrodon Photometric Sloan 50mm Unmounted Gen2 z' Edge Blackened Filter

    Astrodon - Photometric Sloan - 50mm Unmounted 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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    FREE SHIPPING
    (48 States)
    Model#: z'2-50R
    $400.00

Items 21 to 40 of 288 total

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