On Sale 
ZWO EFW 8 x 1.25-inch Electronic Filter Wheel
$50 OFF
Congrats! The ZWO EFW 8 x 1.25-inch Electronic Filter Wheel is a part of the 2024 ZWO Black Friday Promotion. Don't miss out!
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The ZWO EFW 8 x 1.25-inch Electronic Filter Wheel is an essential accessory for astrophotographers, designed to streamline the process of changing 1.25" eyepiece filters. This Electronic Filter Wheel is built to support 8 1.25" filters at a single time. Weighing just 400g and crafted from CNC-milled aircraft-grade aluminum, this filter wheel adds 20mm to your backfocus train. It operates via a single USB cable, requiring just 120mAh at 5V, making it convenient to power through the USB port of your cooled camerea.
How to install the filter:
How to connect the camera and telescope:
How to use it:
All you need to do is plug in the EFW with a USB 2.0 cable and install the ASCOM driver
You will find you can select either ZWO Filter Wheel(1) or ZWO Filter Wheel(2). You can use either one of them
There are 2 ASCOM to control 2 EFW, all in one software
About ZWO Optical
Established in 2011, ZWO Optical is a fast-growing global astroimaging camera powerhouse based in Suzhou, China. Known for its iconic ZWO ASI 120MM Monochrome CMOS Camera, the first-ever planetary CMOS camera to beat a CCD in the early 2010s, ZWO has pioneered new astroimaging technology with revolutionary new features, including USB 3,0, cooled systems, ADC and more. Today, ZWO Cameras is known by every passionate astrophotographer and is available in over 25 countries world-wide.
Product Code: ZWO-EFW-8x1.25
