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  1. Astrodon - 50mm Unmounted Gen2 E-Series LRGB Filters (set of 4)

    Astrodon - 50mm Unmounted Gen2 E-Series LRGB Filters (set of 4)

    Astrodon Tru-Balance RGB filters have revolutionized CCD imaging. Their popularity is due to ease-of-use, high optical throughput and great resulting color for galaxies, star clusters and nebulae.  There are two varieties of Tru-Balance filters - E-Series and I-Series.

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    Model#: LRGB2-E50R
    $950.00

  2. Astrodon - Tru-Balance E-Series - 50mm dia. CRGB Filter

    Astrodon - Tru-Balance E-Series - 50mm dia. CRGB Filter

    TRU-BALANCE FILTERSSIMPLIFY YOUR IMAGINGGreat Filters Just Got Better - Generation 2 Now Shipping!        Astrodon Tru-Balance RGB filters have revolutionized CCD imaging ... Learn More
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    Model#: CRGB2-E50R
    $875.00

  3. Astrodon Tru-Balance E-Series 50mm Square LRGB Filter

    Astrodon - 50mm Unmounted Gen2 E-Series LRGB Square Filters (set of 4)

    Astrodon Tru-Balance RGB filters have revolutionized CCD imaging. Their popularity is due to ease-of-use, high optical throughput and great resulting color for galaxies, star clusters and nebulae.  There are two varieties of Tru-Balance filters - E-Series and I-Series.

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    Model#: LRGB2-E50S
    $1,225.00

  4. Astrodon - Tru-Balance E-Series - 50mm Square CRGB Filter

    Astrodon - Tru-Balance E-Series - 50mm Square CRGB Filter

    What really distinguishes E-Series Tru-Balance filters is their ability to regulate the transition of photons.

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    Model#: CRGB2-E50S
    $1,150.00

  5. Astrodon 50mm Unmounted Clear Square Filter (UV-Blocked, No NIR Blocking)

    Astrodon - 50mm Unmounted Clear Square Filter (UV-Blocked, No NIR Blocking)

    Clear optical windows Pass all frequency of light to the detector.

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    Model#: C2-50S
    $320.00

  6. Astrodon - Adaptor - 4 " Male, 3/4 " long for STL

    Astrodon - Adaptor - 4 " Male, 3/4 " long for STL

    Adaptor - 4 inch Male, 3/4 inch long for STL ... Learn More
    Model#: MMOAG-STL-M
    $105.00

  7. Astrodon - Tru-Balance E-Series - 50mm Square Generation 2 GREEN Filter

    Astrodon - Tru-Balance E-Series - 50mm Square Generation 2 GREEN Filter

    TRU-BALANCE FILTERSSIMPLIFY YOUR IMAGINGGreat Filters Just Got Better - Generation 2 Now Shipping!        Astrodon Tru-Balance RGB filters have revolutionized CCD imaging ... Learn More
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    Model#: G2-E50S
    $300.00

  8. Astrodon Narrowband - 1.25" Mounted H-a 5 nm Filter

    Astrodon - Narrowband - 1.25" Mounted H-Alpha 5 nm Filter

    Narrowband (NB) filters  enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII, 501 nm), sulfur (SII, 672nm) and others.

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    Model#: HA5-27R
    $330.00

  9. Astrodon - Narrowband - 1.25" Mounted OIII 5 nm Filter

    Astrodon - Narrowband - 1.25" Mounted OIII 5 nm Filter

    Narrowband (NB) filters  enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII, 501 nm), sulfur (SII, 672nm) and others.

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    Model#: OIII5-27R
    $330.00

  10. Astrodon - Narrowband - 1.25" Mounted SII 5 nm Filter

    Astrodon - Narrowband - 1.25" Mounted SII 5 nm Filter

    Narrowband (NB) filters  enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII, 501 nm), sulfur (SII, 672nm) and others.

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    Model#: SII5-27R
    $330.00

  11. Astrodon - Johnson-Cousins 1.25 " Mounted R Filter Photometric Generation 2

    Astrodon - Johnson-Cousins 1.25 " Mounted R Filter Photometric Generation 2

    Astrodon Photometrics - UVBRcIcUVBRI filters have been the standard for photometric measurements for decades.  They have evolved over time as technology changed.  H. Johnson in the 1950s and A.W.J ... Learn More
    Model#: Rc_27R
    $200.00

  12. Astrodon Photometric UVBRIc 1.25" Mounted Ic Edge Blackened Filter

    Astrodon - Photometric UVBRIc - Johnson-Cousins 1.25" Mounted Ic Edge Blackened Filter

    UVBRI filters have been the standard for photometric measurements for decades.  They have evolved over time as technology changed.  H. Johnson in the 1950s and A.W.J. Cousins in the 1970s designed these filters for photomultiplier tubes (PMT).

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    Model#: Ic*-27R
    $200.00

  13. Astrodon Photometric UVBRIc 50mm Unmounted Ic Edge Blackened Filter

    Astrodon - Photometric UVBRIc - Johnson-Cousins 50mm Unmounted Ic Edge Blackened Filter

    UVBRI filters have been the standard for photometric measurements for decades.  They have evolved over time as technology changed.  H. Johnson in the 1950s and A.W.J. Cousins in the 1970s designed these filters for photomultiplier tubes (PMT).

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    Model#: Ic*-50R
    $400.00

  14. Astrodon Photometric UVBRIc 50mm Unmounted Ic Edge Blackened Square Filter

    Astrodon - Photometric UVBRIc - Johnson-Cousins 50mm Unmounted Ic Edge Blackened Square Filter

    UVBRI filters have been the standard for photometric measurements for decades.  They have evolved over time as technology changed.  H. Johnson in the 1950s and A.W.J. Cousins in the 1970s designed these filters for photomultiplier tubes (PMT).

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    Model#: Ic*-50S
    $440.00

  15. Astrodon UVenus 1.25" Mounted UV Filter

    Astrodon - UVenus - 1.25" Mounted UV Filter

    Astrodon introduces a breakthrough in UV filters for CCD imaging. A  durable, hard--coated UV filter of the highest quality having the best transmission available.

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    Model#: UVenus-27R
    $190.00

  16. Astrodon UVenus 50mm Unmounted UV Filter

    Astrodon - UVenus - 50mm Unmounted UV Filter

    Astrodon introduces a breakthrough in UV filters for CCD imaging. A  durable, hard--coated UV filter of the highest quality having the best transmission available.

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    Model#: UVenus-50R
    $385.00

  17. Astrodon - Takahashi CAA Camera Angle Adjustor

    Astrodon - Takahashi CAA Camera Angle Adjustor

    Takahashi CAA Camera Angle Adjustor for the TAKometer ... Learn More
    Model#: CAA
    $175.00

  18. Astrodon Adapter for Takometer to 100mm Takahashi Focusing Tubes

    Astrodon - Adapter for Takometer to 100mm Takahashi Focusing Tubes

    Astrodon 92 to 98mm Male/Male Adaptor with 10mm 4" focus tube, flat to attach motor plate of TAKometer ... Learn More
    Model#: TAK9298
    $145.00

  19. Astrodon - Adaptor - TAK CAA- AP 2.7 " Female 1/2 " long

    Astrodon - Adaptor - TAK CAA- AP 2.7 " Female 1/2 " long

    It fits on the Takahashi Camera Angle Adjustor (CAA) rotator on the back Takahashi FSQ, TOA130F, TOA150. It has Female 2.7"-24 threads and accepts the MonsterMOAG or any AP 2.7" extension tube. It is 0.5" long ... Learn More
    Model#: CAA-APF
    $105.00

  20. Astrodon - Takahashi FSQ-ED Package (CAA, 92-98, CAA-to-APF)

    Astrodon - Takahashi FSQ-ED Package (CAA, 92-98, CAA-to-APF)

    The Astrodon Tak Rotator Package allows you to use the TAKometer on the new-style Takahashi FSQ106ED. The package consists of three piecesa Takahashi camera angle adjuster (CAA) sandwiched between two adapters ... Learn More
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    Model#: TAK-PKG
    $350.00

Items 61 to 80 of 5874 total

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