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ZWO 2" EFW 5-position Filter Wheel for 2" Filters

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0.50 kg
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including VAT 20.00 % ( £52.67 )

ZWO 2" EFW 5-position Filter Wheel for 2" Filters

  • ZWO EFW (5 x 2″)
  • Product weight:EFW 5 x 2″=500g
  • Power supply:USB2.0
  • Control Mode: ASCOM and SDK
  • Driver:Free of driver


The filter wheel body is CNC milled from an aircraft graded aluminum 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.

There are two versions of his 2" EFW available:

Z605-EFW-5x2   ZWO 2" EFW 5-position Filter Wheel for 2" Filters  (THIS PRODUCT LISTING!)
Z606-EFW-7x2   ZWO 2" EFW 7-position Filter Wheel for 2" Filters


2″ Thread-In Filters or 50.4mm ±0.5mm Unmounted Filters can be used 

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


There is no need of 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 USB2.0 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 ASI6200MM Pro camera, this filter set will offer nearly 1:1:1 RGB color balance.

Below filter cell size requirements must be met while using a third-party 2” filter .



What’s in the box?

1. EFW2*5 or FW2*7 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



Mechanical drawing

EFW2X5-Mechanical drawing(1)

User guide:

Click here: How to assemble a ZWO ASI6200MM-PRO, 2″ EFW and M68 OAG

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