ZWO Electronic 8 Position Filter Wheel- 1.25"/31 mm Sized

  • A lightweight and low-profile filter wheel.
  • Holds 1.25-inch mounted or 31 mm unmounted filters.
  • Necessary for deep-sky imaging.
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  • Regular price $299.00

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ZWO Electronic 8 Position Filter Wheel- 1.25"/31 mm Sized

The ZWO Electronic 8-Position Filter Wheel holds up to eight (8) 1.25-inch mounted or 31 mm unmounted filters. If using 31 mm filters, these can be held in place using the included set of screws and washers from ZWO.

Machined from black anodized, aircraft-grade aluminum, the ZWO EFW8 is sure to be an exceptional and reliable addition to your astrophotography system. This filter wheel weighs just under one pound (14 ounces) and is only 20 mm thick, making this an extremely low profile piece of your imaging train.

Features of the ZWO Electronic 8 Position Filter Wheel

  • The power consumption of this EFW is approximately 120mAh @ 5V, which can be operated from the Cooled CCD's USB hub.
  • It can be rotated in both counterclockwise or clockwise direction for filter selection.
  • Weighs only 14 ounces.


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ZWO Electronic 8 Position Filter Wheel - included items
  1. 8, 31 mm EFW body.
  2. 1.25-inch cover.
  3. T2 nosepiece.
  4. 1.25-inch holder (with cover and 2 screws).
  5. T2-T2 adapter (male).
  6. A bag of filter masks.
  7. USB 2.0 2 m cable.
  8. Phillips screwdriver.
  9. A bag of M2 screws.
Customer Reviews
5.0 Based on 3 Reviews
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Filter Reviews:
Kevin W.
Canada Canada
8x1.25" EFW

Great piece of like a charm. Smooth action and easy to set up makes this filter wheel a great bargain.

Larry S.
Nice unit

Well built, came with all necessary mounting screws, and holders, including several extra. Loaded up with Astrodon 31mm filters. Very secure. Works great!

Lee J.
United States
ZWO 8 position filter wheel

Very nice doing business with you. Thank you.