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  1.  Astrodon - 50mm Gen 2 Unmounted Square G' Filter

    Astrodon - 50mm Gen 2 Unmounted Square 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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    FREE SHIPPING
    (48 States)
    Model#: g'2-50S
    $390.00

  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. 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

  4. 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.

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

    Regular Price: $175.00

    Special Price: $157.50

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

  10. 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.

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

  11. Astrodon - 50mm dia. Unmounted B Filter

    Astrodon - 50mm dia. Unmounted B Filter

    Astrodon Photometrics - UVBRI filters have been the standard for photometric measurements for decades.

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    FREE SHIPPING
    (48 States)
    Model#: B***-50R

    Regular Price: $350.00

    Special Price: $315.00

  12. Astrodon - 50mm dia. Unmounted ic Filter

    Astrodon - 50mm dia. Unmounted ic Filter

    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
    FREE SHIPPING
    (48 States)
    Model#: Ic*-50R

    Regular Price: $350.00

    Special Price: $315.00

  13. Astrodon - 50mm dia. Unmounted R Filter

    Astrodon - 50mm dia. Unmounted R Filter

    Astrodon Photometrics - UVBRI filters have been the standard for photometric measurements for decades.

    ...
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    FREE SHIPPING
    (48 States)
    Model#: Rc*-50R

    Regular Price: $350.00

    Special Price: $315.00

  14. Astrodon - 50mm dia. Unmounted V Filter

    Astrodon - 50mm dia. Unmounted V Filter

    Astrodon Photometrics - UVBRI filters have been the standard for photometric measurements for decades.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: V*-50R

    Regular Price: $350.00

    Special Price: $315.00

  15. Astrodon - 50mm Gen 2 Unmounted G' Filter

    Astrodon - 50mm Gen 2 Unmounted 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.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: g'2-50R

    Regular Price: $350.00

    Special Price: $315.00

  16. Astrodon - 50mm Gen 2 Unmounted I' Filter

    Astrodon - 50mm Gen 2 Unmounted 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
    FREE SHIPPING
    (48 States)
    Model#: i'2-50R

    Regular Price: $350.00

    Special Price: $315.00

  17. Astrodon - 50mm Gen 2 Unmounted R' Filter

    Astrodon - 50mm Gen 2 Unmounted 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
    FREE SHIPPING
    (48 States)
    Model#: r'2-50R

    Regular Price: $350.00

    Special Price: $315.00

  18. Astrodon - 50mm Gen 2 Unmounted Z' Filter

    Astrodon - 50mm Gen 2 Unmounted 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
    FREE SHIPPING
    (48 States)
    Model#: z'2-50R

    Regular Price: $350.00

    Special Price: $315.00

  19. Astrodon - Narrowband - 1.25"  Mounted RED Continuum 5 nm Filter

    Astrodon - Narrowband - 1.25" Mounted RED Continuum 5 nm Filter

    Narrowband Filters      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, ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: REDCON5-27R
    $295.00

  20. Astrodon - Narrowband - 1.25" Mounted H-a 3 nm Filter

    Astrodon - Narrowband - 1.25" Mounted H-a 3 nm Filter

    Narrowband Filters      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, ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: HA3-27R
    $425.00

Items 1 to 20 of 215 total

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