Search results for 'filter'

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  1. Save $8.00
    Filter Set #1 - #15 yellow, #21 orange, #80A blue, and polarizer Filter Set #1 - #15 yellow, #21 orange, #80A blue, and polarizer

    Filter Set #1 - #15 yellow, #21 orange, #80A blue, and polarizer

    Regular Price: $39.95

    Special Price $31.95

    This Celestron 1.25" color filter set consists of the following four filters - #15 deep yellow, #21 orange, #80A medium blue, and a polarizing filter . . .
  2. ZWO Filter Drawer M54 ZWO Filter Drawer M54

    ZWO Filter Drawer M54

    $79.00
    Looking for a filter drawer for your large ZWO cameras? This might be the one for you.
  3. ZWO Filter Drawer M42 ZWO Filter Drawer M42

    ZWO Filter Drawer M42

    $79.00
    Trying to use just one filter with with your imaging rig? Give the ZWO filter drawer a try.
  4. 1.25" Color filter set for Questar eyepieces 1.25

    1.25" Color filter set for Questar eyepieces

    $345.00

    This Questar filter set for planetary observing consists of ten 1.25" stackable color filters that are threaded to fit the barrels of Questar Brandon eyepieces only.

  5. Questar solar filter full-aperture upgrade for 3.5" scopes Questar solar filter full-aperture upgrade for 3.5

    Questar solar filter full-aperture upgrade for 3.5" scopes

    $495.00

    This Questar full aperture white light glass solar filter is an upgrade to the off-axis filter supplied with all Questar 3.5" telescopes.

  6. Lunt B600 Blocking Filter Lunt B600 Blocking Filter

    Lunt B600 Blocking Filter

    $348.00
    • A Blocking Filter is a required component when using any Lunt solar filter or solar telescope products.
  7. SolarMax 40mm H-alpha filter with T-Max and 10mm blocking filter | under 1000mm focal length SolarMax 40mm H-alpha filter with T-Max and 10mm blocking filter | under 1000mm focal length

    SolarMax 40mm H-alpha filter with T-Max and 10mm blocking filter | under 1000mm focal length

    $1,099.00
    This 40mm aperture H-alpha filter can be used with virtually any telescope - but is designed to work best with refractor telescopes having a focal length of under 1000mm . . .
  8. ZWO EFW 5-position Filter Wheel for 2" ZWO EFW 5-position Filter Wheel for 2

    ZWO EFW 5-position Filter Wheel for 2"

    $299.00
    This low profile ZWO filter wheel is just what your monochrome camera ordered.
  9. SolarMax 60mm H-alpha filter with T-Max and 10mm blocking filter | under 1000mm focal length SolarMax 60mm H-alpha filter with T-Max and 10mm blocking filter | under 1000mm focal length

    SolarMax 60mm H-alpha filter with T-Max and 10mm blocking filter | under 1000mm focal length

    $1,399.00
    This 60mm aperture H-alpha filter can be used with virtually any refractor telescope having a 60mm or greater aperture - but is designed to work best with telescopes having a focal length of 1000mm and under . . .
  10. LPR imaging filter for Celestron RASA Celestron LPR imaging filter for Celestron RASA 11

    Celestron LPR imaging filter for Celestron RASA 11

    $699.00

    The Celestron #93617 RASA Light Pollution Imaging Filter was custom-designed for the Celestron RASA Schmidt-Cassegrain astrograph by Astrodon - the world's leading imaging filter company.

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