ZWO Electronic Filter Wheel 7x2in


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New Filter Wheel from ZWO

7 x 2inch Electronic Filter wheel

Ascom Compliant

ZWO- EFW-7x2in

With the ZWO -EFW-7×2 there is no need for multiple cables to power this wheel up, just one USB cable does the trick. The maximum power supply of this EFW is approximately 120mAh @ 5V, which can be operated from the Cooled CCD’s USB 2.0 port.

When connected to ASI6200, the distance from the filter to the sensor is about 18mm

Our 2″ RGBL filters are recommended to work with the ASI6200MM Pro camera, it will offer a nearly 1:1:1 RGB color balance.

The filter wheel body is CNC milled from an aircraft-graded aluminium block.

Excellent craftsmanship, very thin and light with only 20mm thickness.

The core part of our EFW is the stepper motor which has reliable performance and quality that comes from NPM, Japan.

Specifications for EFW-7×2”:

Product weight: ZWO-EFW-7×2 =650g

Power supply:USB2.0

Control Mode: ASCOM and SDK

Driver:Free of driver

  2″ Thread-In Filters or

50.4mm ±0.5mm Unmounted Filters can be used 

The 2” Electronic Filter Wheel can be rotated in both counterclockwise and clockwise directions for filter selection.

Below requirements must be met while using the 2” filter from a third-party.


What’s in the box?ZWO-EFW-7x2

1. ZWO-EFW-7×2 body
2. USB2.0 – 2m cable
3. A bag of M2.5*6 screws (6pcs/ bag)
4. A bag of filter masks for 50mm filters (7pcs/ bag)
5. Phillips screwdriver
6. A bag of M2*4 flat screws (23pcs/ bag)
7. M54M-M48F adapter
8. M54M-M42F adapter



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