Happily Serving You in the Same Location for Over 58 Years!

Welcome!

Accessories

Items 141 to 160 of 5853 total

per page
Page:
  1. 8

Set Descending Direction
  1. Astrodon Narrowband 50mm Unmounted OIII 5 nm Square Filter

    Astrodon - Narrowband - 50mm Unmounted OIII 5 nm Square 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.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: OIII5-50S
    $875.00

  2. Astrodon Narrowband 50mm Unmounted SII 5 nm Square Filter

    Astrodon - Narrowband - 50mm Unmounted SII 5 nm Square 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.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: SII5-50S
    $875.00

  3. Astrodon - 1.25 " Mounted u Filter

    Astrodon - 1.25 " Mounted u 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#: u-27R
    $175.00

  4. Astrodon - 50mm dia. Unmounted u Filter

    Astrodon - 50mm dia. Unmounted u 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
    FREE SHIPPING
    (48 States)
    Model#: U-50R
    $320.00

  5. Astrodon - 50mm square Unmounted u Filter

    Astrodon - 50mm square Unmounted u 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
    FREE SHIPPING
    (48 States)
    Model#: U-50S
    $360.00

  6. Astrodon - 1.25 " Mounted g Filter

    Astrodon - 1.25 " Mounted g 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#: g-27R
    $150.00

  7. Astrodon - 50mm dia. Unmounted g Filter

    Astrodon - 50mm dia. Unmounted g 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
    FREE SHIPPING
    (48 States)
    Model#: G-50R
    $320.00

  8. Astrodon - 50mm square Unmounted g Filter

    Astrodon - 50mm square Unmounted g 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
    FREE SHIPPING
    (48 States)
    Model#: G-50S
    $390.00

  9. Astrodon - Narrowband - 50mm Unmounted Red Continuum 5 nm Square Filter

    Astrodon - Narrowband - 50mm Unmounted Red Continuum 5 nm Square 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.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: REDCON5-50S
    $875.00

  10. Astrodon Narrowband 50mm Unmounted H-a 3 nm Square Filter

    Astrodon - Narrowband - 50mm Unmounted H-Alpha 3 nm Square 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),

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: HA3-50S
    $1,250.00

  11. Astrodon - Narrowband - 50mm Unmounted OIII 3 nm Square Filter

    Astrodon - Narrowband - 50mm Unmounted OIII 3 nm Square 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),

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: OIII3-50S
    $1,250.00

  12. Astrodon - Narrowband - 1.25" Mounted Red Continuum 5 nm Filter

    Astrodon - Narrowband - 1.25" Mounted Red Continuum 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.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: REDCON5-27R
    $330.00

  13. Astrodon - Narrowband - 1.25" Mounted NII 3 nm Filter

    Astrodon - Narrowband - 1.25" Mounted NII 3 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),

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: NII3-27R
    $490.00

  14. Astrodon - Narrowband - 50mm Unmounted NII 3 nm Filter

    Astrodon - Narrowband - 50mm Unmounted NII 3 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),

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: NII3-50R
    $995.00

  15. Astrodon - NIR Tricolor - 1.25" Mounted NIRL123 Tri-color Imaging (Set of 4)

    Astrodon - NIR Tricolor - 1.25" Mounted NIRL123 Tri-color Imaging (Set of 4)

    The NIR region remains largely unexplored by amateur imagers. Perhaps this is due to the impression that the Si CCD camera is not sufficiently sensitive in the NIR.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: NIRL123-27R
    $550.00

  16. Astrodon NIR Tricolor 1.25" Mounted NIR Luminance >700 nm

    Astrodon - NIR Tricolor - 1.25" Mounted NIR Luminance >700 nm

    The NIR region remains largely unexplored by amateur imagers. Perhaps this is due to the impression that the Si CCD camera is not sufficiently sensitive in the NIR.

    ...
    Learn More
    Model#: NIRL-27R
    $195.00

  17. Astrodon - NIR Tricolor - 50mm dia. NIRL123 Tri-color Imaging (Set of 4)

    Astrodon - NIR Tricolor - 50mm dia. NIRL123 Tri-color Imaging (Set of 4)

    NIR Tricolor Filters        The NIR region remains largely unexplored by amateur imagers. Perhaps this is due to the impression that the Si CCD camera is not sufficiently sensitive in the NIR ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: NIRL123-50R
    $1,150.00

  18. Astrodon - NIR Tricolor - 50mm NIRL Luminance Filter

    Astrodon - NIR Tricolor - 50mm NIRL Luminance Filter

    The NIR region remains largely unexplored by amateur imagers. Perhaps this is due to the impression that the Si CCD camera is not sufficiently sensitive in the NIR.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: NIRL-50R
    $335.00

  19. Astrodon 65mm Unmounted Gen2 E-Series LRGB Square Filters (set of 4)

    Astrodon - 65mm 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.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: LRGB2-E65S
    $2,050.00

  20. Astrodon 65mm Unmounted Gen2 E-Series LRGB Square Filters (set of 4) with 5 nm H-a Filter

    Astrodon - 65mm Unmounted Gen2 E-Series LRGB Square Filters (set of 4) with 5 nm H-Alpha Filter

    The E-Series is designed for the red-sensitive Kodak full-frame detectors with the goal of equalizing the fluxes, and hence, the signal-to-noise, for the red, green and blue filters.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: LRGB2HA5-E65S
    $3,150.00

Items 141 to 160 of 5853 total

per page
Page:
  1. 8

Set Descending Direction