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ZWO 8-Position Electronic Filter Wheel for 1.25" or 31mm Filters # EFW8-125/31

Our Price: $299.00
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In Stock (5 Available)
Ships by Next Business Day
Our Product ID: PAIA-ZW-EFW8-125/31
Manufacturer SKU: EFW8-125/31
Item Can Ship: Worldwide
ZWO 8-Position Electronic Filter Wheel for 1.25" or 31mm Filters # EFW8-125/31

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Product Details

Original ZWO description below. Improved description coming soon.

The big and light weight Electronic Filter Wheel is coming. Only 400g!

The body is CNC machined from a full block of aircraft grade aluminium. Very thin design, 20mm ONLY!

The stepper motor is the heart of the new EFW, which is made by NPM from Japan. You can trust its quality and reliability.

This filter wheel can accommodate eight 1.25" mounted or eight 31mm diameter unmounted filters. The Electronic Filter wheel can be rotated in both counter clockwise or clockwise direction for filter selection.

Only one USB Cable is enough to power up the EFW, the max power consumption is around 120ma@5V, so you can connected it form the USB2.0 hub of our cooled cameras.

The distance between the filter and sensor is around 10mm when you connect it to ASI1600. So 1.25″ filters won’t have vignetting up to F5 focal ratio scope and 31mm 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.

The full EFW Set includes:

  • 8*31mm EFW body
  • T2 nosepiece
  • 1.25″ Holder-T2
  • T2-T2
  • USB 2.0 Cable

1.25″ filter requires: threads length shorter than 3mm, height without threads less than 7mm.
31mm filter requires: a set of M42 screws and washers needed to fix the filters are included in the package .

How to use it?
You just need to plug in the EFW with USB2.0 cable and install the ASCOM driver.
There are ZWO Filter Wheel(1) and ZWO Filter Wheel(2) to select, you can use either one of them.
There are 2 ASCOM is for controlling 2 EFW in one software.