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  1. Astronomik - SII 12nm CCD Filter - 2" Round Mounted

    Astronomik - SII 12nm CCD Filter - 2" Round Mounted

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

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    (48 States)
    Model#: SII-2
    $289.95

  2. Astronomik - SII 12nm CCD Filter - T Threads

    Astronomik - SII 12nm CCD Filter - T Threads

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

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    (48 States)
    Model#: SII-T
    $289.95

  3. Astronomik - SII 12nm CCD Filter - Canon EOS Clip

    Astronomik - SII 12nm CCD Filter - Canon EOS Clip

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

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    Model#: SII-EOS
    $189.95

  4. Astronomik - SII 12nm CCD Filter - 50mm Round Unmounted

    Astronomik - SII 12nm CCD Filter - 50mm Round Unmounted

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

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    (48 States)
    Model#: SII-50R
    $289.95

  5. Astronomik - SII 12nm CCD Filter - 50mm Square Unmounted

    Astronomik - SII 12nm CCD Filter - 50mm Square Unmounted

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

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    (48 States)
    Model#: SII-50SQ
    $329.95

  6. 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
    $99.95

  7. Astronomik - CLS Light Pollution Filter - CCD 2" Mounted

    Astronomik - CLS Light Pollution Filter - CCD 2" Mounted

    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-2
    $199.95

  8. Astronomik - CLS-CCD for Cameras with IR Filter Removed - Canon EOS Clip

    Astronomik - CLS-CCD for Cameras with IR Filter Removed - Canon EOS Clip

    The UV/IR Blocking EOS Clip fits right into the body of your Canon EOS camera. Precision laser cut frame is optimized to fit most of the EOS bodies.

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    Model#: CLSCCD-EOS
    $159.95

  9. Astronomik - OWB Filter - Version II - Canon EOS Clip

    Astronomik - OWB Filter - Version II - Canon EOS Clip

    The Astronomik OWB filter would usually not be designated as an "astronomical" filter.

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    Model#: OWBCCD-EOS
    $129.95

  10. Baader Planetarium 2" Polarization Filter - Single

    Baader Planetarium - 2" Polarization Filter - Single

    The Baader 2" Polarizer can attacha a T2-15 adapter, enabling the use of 1.25" eyepiece without removing the filter while keeping the eyepiece and filter position close.

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    Model#: FPOL-2
    $83.00

  11. Baader Planetarium - 2" Eyepiece Filter-Set / 6 colors PCG Multi-coated

    Baader Planetarium - 2" Eyepiece Filter-Set / 6 colors PCG Multi-coated

    Not just another colored filter. Finally, a set of serious tools for the planetary observer. Baader Planetarium's Premium Colored Filters bring a new level of quality and performance to planetary contrast enhancement ... Learn More
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    (48 States)
    Model#: FCFS-2
    $319.00

  12. Baader Planetarium - Color Filter Red 1.25" 610nm LongPass

    Baader Planetarium - Color Filter Red 1.25" 610nm LongPass

    Not just another colored filter. Finally, a set of serious tools for the planetary observer. Baader Planetarium's Premium Colored Filters bring a new level of quality and performance to planetary contrast enhancement ... Learn More
    Model#: FCFR-1
    $41.00

  13. Baader Planetarium - Color Filter Orange 1.25" 570nm LongPass

    Baader Planetarium - Color Filter Orange 1.25" 570nm LongPass

    Not just another colored filter. Finally, a set of serious tools for the planetary observer. Baader Planetarium's Premium Colored Filters bring a new level of quality and performance to planetary contrast enhancement ... Learn More
    Model#: FCFO-1
    $41.00

  14. Baader Planetarium - UHC-S / L-Booster-Filter 2"

    Baader Planetarium - UHC-S / L-Booster-Filter 2"

    The Baader Planetarium UHC-S Nebula filter excels at delivering a high-contrast and natural view of emission nebula - without excessive dimming and loss of background star fields.

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    Model#: FUHC-2
    $147.00

  15. Baader Planetarium - NEODYMIUM & IR-Cut 1.25" (Moon & Skyglow) Filter

    Baader Planetarium - NEODYMIUM & IR-Cut 1.25" (Moon & Skyglow) Filter

    The Baader Planetarium Moon & Skyglow (Neodymium) filter brings an entirely unique approach to planetary contrast enhancement and light pollution reduction

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    Model#: FMS-1
    $79.00

  16. Baader Planetarium - Color Filter Yellow 1.25" 495nm Longpass

    Baader Planetarium - Color Filter Yellow 1.25" 495nm Longpass

    Not just another colored filter. Finally, a set of serious tools for the planetary observer. Baader Planetarium's Premium Colored Filters bring a new level of quality and performance to planetary contrast enhancement ... Learn More
    Model#: FCFY-1
    $41.00

  17. Baader Planetarium - Color Filter Green 1.25" 500nm BandPass

    Baader Planetarium - Color Filter Green 1.25" 500nm BandPass

    Not just another colored filter. Finally, a set of serious tools for the planetary observer. Baader Planetarium's Premium Colored Filters bring a new level of quality and performance to planetary contrast enhancement ... Learn More
    Model#: FCFG-1
    $41.00

  18. Baader Planetarium - Color Filter Blue 1.25" 470nm BandPass

    Baader Planetarium - Color Filter Blue 1.25" 470nm BandPass

    Not just another colored filter. Finally, a set of serious tools for the planetary observer. Baader Planetarium's Premium Colored Filters bring a new level of quality and performance to planetary contrast enhancement ... Learn More
    Model#: FCFB-1
    $41.00

  19. Baader Planetarium - Color Filter Dark Blue 1.25" 435nm BandPass

    Baader Planetarium - Color Filter Dark Blue 1.25" 435nm BandPass

    Not just another colored filter. Finally, a set of serious tools for the planetary observer. Baader Planetarium's Premium Colored Filters bring a new level of quality and performance to planetary contrast enhancement ... Learn More
    Model#: FCFDB-1
    $41.00

  20. Baader Planetarium - 1.25" IR-Pass-Filter (685 nm)

    Baader Planetarium - 1.25" IR-Pass-Filter (685 nm)

    Baader Planetarium delivers the latest tool in the planetary imager's bag of tricks. The Baader IR-Pass filter blocks wavelengths below 670 nm

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    Model#: FIRP-1
    $89.00

Items 121 to 140 of 1071 total

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