ZWO EFW Elektronic Filter Wheel 7×36


ZWO EFW Elektronic Filter Wheel 7×36

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Artikelnummer: ZWO-EFW-7x36 Categorieën: , , ,
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ZWO EFW Elektronic Filter Wheel 7×36

Our latest EFW (Electronic Filter Wheel), larger than the previous but still low on weight. Only 400 grams.3

ZWO EFW Elektronic Filter Wheel 7x36
ZWO EFW Elektronic Filter Wheel 7×36

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 heart of our EFW comes from NPM, Japan, whose the manufactor for the stepmotor and the quality is trustful and reliable. Guaranteed long life.

We have two specifications:

TYPE1: 8 positions, 1.25inch or 31 mm filter can be used.

TYPE2: 7 positions, 36 mm filter can be used.

The Electronic Filter wheel can be rotated in both counter clockwise or clockwise direction for filter selection.

Links is 8×1.25 inch Rechts is 7×36 mm


There are no need for multiple cables to power this wheel up, just one USB cable does the trick. The power consumption of this EFW is approximately 120 mAh @ 5 V, which can be operated from the Cooled CCD’s USB hub. The distance between the filter and sensor is around 10 mm when you connect it to ASI1600.
So 1.25 inch filters won’t have vignetting up to F5 focal ratio scope and 31 mm filter won’t have vignetting up to F2 lens.
Our new RGBL filters are recommended to work with ASI1600, it will offer nearly 1:1:1 RGB color balance.

Levering van de ZWO EFW Elektronic Filter Wheel 7×36 omvat:

  1. 7*36 mm EFW body
  2. 1.25 inch cover
  3. T2 nosepiece
  4. 1.25 inch holder (with cover and 2 screws)
  5. T2-T2 adapter(male)
  6. A bag of filter masks
  7. USB2.0 2 m cable
  8. Phillips screwdriver
  9. A bag of M2 screws


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