ZWO Motorised Filter Wheel for 8x31.8mm or 31mm

• Compact filter wheel for ZWO MONO CCD cameras - perfect for astrophotography with L-RGB filters and nebula filters
• ♦ Weighting only approx. 400 grams
• ♦ High-class CNC design with aluminium housing
• ♦ Stepper motor for the filter exchange - from NPM, Japan
• ♦ Only 20 mm optical path
• ♦ Powered via USB - low power consumption
• ♦ Completely equipped with 1.25" and T2 connectors, USB cable
• ♦ Suitable for 8x mounted 1.25" filters or 8x unmounted 31 mm filters

ZWO Motorised Filter Wheel for cameras from ASI and others
The motorised filter wheel is compact and with less than 400 grams (without filters) aalso lightweight. USB2.0 is sufficient for powering; the max power consumption is around 150 mA. so you can connect the USB cable directly to the USB2.0 hub of the cooled ZWO ASI cameras.

The distance between the filters and sensor is only 10 mm, so there will be no vignetting with fast telescopes, even if using an ASI1600. If you use unmounted 31 mm filters, you can even use lenses up to f/2 without annoying vignetting.

The ZWO EFW is perfect for creating L-RGB and false-colour images with ASI cameras
The filter wheel offers eight positions for filters - ideal for L-RGB filters + three nebula filters.

The distance between the filter and sensor is around 10 mm, so there will be no vignetting with fast telescopes, even if using an ASI1600. If you use unmounted 31 mm filters, you can even use lenses up to f/2 without vignetting.

The ZWO EFW-Mini is perfect for creating L-RGB images with ASI cameras
The filter wheel offers five positions for filtes - ideal for L-RGB filters + a clear opening.

Downloads, Drivers:
ZW Optical supplies software and drivers online for free download.

Technical Data

Type: Motorized filter wheel
Offers space for: 8x 1.25" mounted filters or 8x 31 mm unmounted filters
Telescope side connection: T2-thread (female)
Camera side connection: T2-thread (male)
Additional connections: 1.25" (via adapter - supplied)
Length: Only 20 mm optical path (from T2 to T2)
Weight: Approx. 400 grams

In the Box

♦ Motorised filter wheel
♦ T2 connectors - 1x male, 1x female
♦ T2-T2 conversion ring - changes a female T2-thread into a male T2-thread
♦ USB2.0 cable