Skip to content
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.
ZWO EFWmini - 5 x 1.25" or 31mm

ZWO EFWmini - 5 x 1.25" or 31mm

by ZWO
SKU ZWO-EFW-MINI
CA$0
CA$283.00 - CA$283.00
CA$283.00
CA$283.00 - CA$283.00
CA$283.00
Credit available from affirm logo
  • For 1.25" or 31mm filters
  • Easy to install on the telescope and the camera
  • Filters are easy to install
  • Made with NPM Stepper Motor from Japan
Availability:
Backordered
Contact us to know when we will receive our next ones!

Free Shipping on most orders above $500*

More information

Price Match

Found a better price? Contact us!

  • ZWO EFWmini (5 x 1.25″ or 5 x 31mm)

    The World’s Smallest and Lightest Electronic Filter Wheel

    At just 300g, the ZWO EFWmini is compact and lightweight, making it the perfect companion for astrophotographers seeking portability and precision. Smaller than your hand, this filter wheel packs advanced features into a slim design measuring only 20mm in thickness.

    ZWO EFWmini (5 x 1.25″ or 5 x 31mm) - Compact and Durable Build

    Compact and Durable Build

    CNC-machined from aircraft-grade aluminum, ensuring strength and longevity.

    Ultra-thin body, designed to integrate seamlessly into your astrophotography rig.

    Reliable Stepper Motor

    Powered by a high-quality NPM stepper motor from Japan for smooth and dependable filter rotation.

    ZWO EFWmini (5 x 1.25″ or 5 x 31mm) - High-Quality Stepper Motor

    Versatile Filter Support

    Accommodates 5 x 1.25″ filters or 5 x 31mm filters, providing flexibility for various imaging needs.

    No vignetting up to f/5 focal ratio with 1.25″ filters or f/2 with 31mm filters when paired with the ASI1600 camera.

    Minimal Power Requirements

    Operates with a single USB 2.0 cable, drawing just 120mAh @ 5V.

    Connects directly to the USB hub of ZWO Cooled Cameras, simplifying cable management.

    ZWO EFWmini (5 x 1.25″ or 5 x 31mm) - Recommended Pairing

    Recommended Pairing

    Optimized for use with the ASI1600 camera.

    Works exceptionally well with ZWO’s RGBL filters, delivering nearly 1:1:1 RGB color balance.

    Setup Instructions

    1. Connect the EFWmini to your system via the included USB 2.0 cable.
    2. Install the ASCOM driver.
    3. Choose either ZWO Filter Wheel (1) or ZWO Filter Wheel (2) in the ASCOM platform for operation.
      Two ASCOM options allow for the simultaneous control of two EFWminis in one software interface.

    Why Choose ZWO EFWmini?

    Ultra-lightweight: Just 300g, designed for portability and convenience.

    High compatibility: Supports a wide range of filters and works seamlessly with ZWO cameras and software.

    Effortless operation: Minimal power requirements and a single USB cable for both power and control.

    Exceptional precision: Features a high-quality NPM motor for smooth and accurate filter transitions.