ZWO EFW Mini Electronic Filter Wheel

Product Code: ZWO-EFWMINI

Our Price: £207.00
ZWO's Electronic Mini Filter Wheel is the smallest and most lightweight 1.25″ Electronic Filter Wheel in the world being smaller than your hand and weighing only 300g.
EFW in Hand

The body is CNC machined from a full block of aircraft grade aluminium and is of a thin design, being only 20mm thick.
EFW in Hand side view
The step motor is the heart of the EFWmini, which is made by NPM from Japan. You can trust its quality and relability.

The filter wheel supports both 5 x1.25" filters or 5 x 31mm filters and the carousel can be rotated in both counter clockwise or clockwise direction for filter selection.
Only one USB Cable is enogh 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 vigentting 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 mini Set includes:
EFW mini body,
T2 nosepiece,
1.25″ Holder-T2,
USB2.0 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 .
EFW kit -
Included in the package you just need to plugin the EFW mini 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 controling 2 EFWmini in one software.

Customer Reviews
Write an online review and share your thoughts with other shoppers!