ZWO EFW 7 x 36mm Electronic Filter Wheel – Unmounted Filters

ZWO EFW 7 x 36mm Electronic Filter Wheel – Unmounted Filters

Description:
The ZWO EFW 7 x 36mm is a premium electronic filter wheel designed for astrophotographers using 36 mm unmounted filters. Its aerospace-grade aluminum body offers durability and precision in a lightweight design.

Measuring only 20 mm thick, it fits easily into compact imaging trains. The internal stepper motor is built by a trusted Japanese manufacturer and ensures smooth and silent filter transitions.

This wheel is fully compatible with all ZWO cameras and is powered via a standard USB 2.0 connection—no external power adapter required. Filter changes can be fully automated using ASCOM/INDI-compatible software or controlled through ZWO’s ASIStudio or ASIAIR systems.

Technical specifications:

• Filter slots: 7

• For unmounted 36 mm filters (recommended thickness: 2 mm ± 0.1 mm)

• Thickness: 20 mm

• CNC-machined aluminum housing

• Powered and controlled via USB 2.0 (no external power needed)

• High-quality stepper motor

• Compatible with ZWO cameras and ASCOM/INDI software

• USB connector: Type B

• Weight: 400 g

Additional information:

• Includes mounting screws and filter masks

• Designed to maintain optimal optical flatness

• Mounts directly on most ZWO cameras with included adapters

• Perfect for LRGB, SHO, or multispectral imaging

• Controllable via ASIAIR, ASIStudio, NINA, SGP, etc.