ZWO EFW 5 x 2″

SKU: ZWO EFW-5x2 Categories: , ,

The ZWO 5×2″ Electronic Filter Wheel (EFW) has 5 filter slots, accepting 2 inch threaded filters. The materials have excellent craftsmanship, cnc made from aircraft aluminium. In the heart of the wheel is a Japanese high quality stepper motor which can drive the filter wheels from USB power, either in a clockwise or anti clockwise direction.

Key features:

  • 5 filter slots
  • Can accept 2″ threaded filters or 50.4mm unmounted
  • High reliable Japanese stepper motor
  • Can rotate clock wise or counter clock wise
  • Powered by USB (suitable for powering from a ZWO cooled cameras  usb2.0 port)

$499.00 inc GST

Contact Us For Stock Availability

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The ZWO Electronic Filter Wheel 5×2″ (EFW 5×2″)

Filters (not including the threads) must be less than 7.5mm in thickness and less than 50.8mm in diameter. Threads must be less than 2.7mm in thickness.

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 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, it will offer nearly 1:1:1 RGB color balance.




Filter size: 2″ thread in filters
or, 50.4mm Unmounted can be used
Filter slots: 5
Control Mode: ASCOM and SDK
Weight: 500 grams
Power Supply: USB
Material: Aluminium
Power Consumption: 120mAh @ 5Vdc
In the box: EFW5x2
USB2.0 cable
A bag of M2.5*6 screws (6pcs/ bag)
A bag of filter masks for 50mm filters (7pcs/ bag)
Phillips screwdriver
A bag of M2*4 flat screws (23pcs/ bag)
M54M-M48F adapter
M54M-M42F adapter