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Due to the USA–China tariff escalation, we will temporarily not receive additional inventory for Celestron and Sky-Watcher products. As a result, we are unable to accept orders for any out-of-stock items and encourage you to take advantage of the products currently in stock while supplies last.
Due to the USA–China tariff escalation, we will temporarily not receive additional inventory for Celestron and Sky-Watcher products. As a result, we are unable to accept orders for any out-of-stock items and encourage you to take advantage of the products currently in stock while supplies last.

Filter Wheels

Filters

  • $299.00 USD - $299.00 USD
    $299.00 USD
    $299.00 USD - $299.00 USD
    $299.00 USD

    ZWO EFW - 5 x 2"

    ZWO-EFW-5x2

    For 2″ threaded filters or 50.4mm ± 0.5mm unmounted filters. Easy to install on the telescope and the camera ...

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    $299.00 USD - $299.00 USD
    $299.00 USD
    $299.00 USD - $299.00 USD
    $299.00 USD
  • $399.00 USD - $399.00 USD
    $399.00 USD
    $399.00 USD - $399.00 USD
    $399.00 USD

    ZWO EFW - 7 x 2"

    ZWO-EFW-7x2
    1 in stock

    For 2″ threaded filters or 50.4mm ± 0.5mm unmounted filters. Easy to install on the telescope and the camera ...

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    $399.00 USD - $399.00 USD
    $399.00 USD
    $399.00 USD - $399.00 USD
    $399.00 USD
  • $299.00 USD - $299.00 USD
    $299.00 USD
    $299.00 USD - $299.00 USD
    $299.00 USD

    ZWO EFW - 7 x 36mm

    ZWO-EFW-7x36-II
    1 in stock

    For 36mm unmounted filters Easy to install on the telescope and the camera Filters are easy to in...

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    $299.00 USD - $299.00 USD
    $299.00 USD
    $299.00 USD - $299.00 USD
    $299.00 USD
  • $599.00 USD - $599.00 USD
    $599.00 USD
    $599.00 USD - $599.00 USD
    $599.00 USD

    ZWO EFW - 7 x 50mm Square Filter Wheel

    ZWO EFW-7x50

    The 50mm electronic filter wheel is CNC milled from an aircraft-graded aluminum block. Quality guaranteed! Adopting the quality step motors produ...

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    $599.00 USD - $599.00 USD
    $599.00 USD
    $599.00 USD - $599.00 USD
    $599.00 USD
  • $299.00 USD - $299.00 USD
    $299.00 USD
    $299.00 USD - $299.00 USD
    $299.00 USD

    ZWO EFW - 8 x 1.25" or 31mm

    ZWO-EFW-8x1.25

    For 1.25" or 31mm filters Easy to install on the telescope and the camera Filters are easy to ins...

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    $299.00 USD - $299.00 USD
    $299.00 USD
    $299.00 USD - $299.00 USD
    $299.00 USD
  • $199.00 USD - $199.00 USD
    $199.00 USD
    $199.00 USD - $199.00 USD
    $199.00 USD

    ZWO EFWmini - 5 x 1.25" or 31mm

    ZWO-EFW-MINI

    For 1.25" or 31mm filters Easy to install on the telescope and the camera Filters are easy to ins...

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    $199.00 USD - $199.00 USD
    $199.00 USD
    $199.00 USD - $199.00 USD
    $199.00 USD