ZWO EFW 5x2/7x2 Electronic Filter Wheel
Our latest EFW (Electronic Filter Wheel), larger than the previous but still low on weight. EFW 5 x 2″=500g / EFW 7 x 2″=650g
The body is CNC milled from an aircraft graded aluminum block.
We decided to make it thinner, where it measures only 20 mm on the wheel body.
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.
We have two specifications for EFW2”:
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, it will offer nearly 1:1:1 RGB color balance.
Below requirements must be met while using the 2” filter from third-party.
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.
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
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